Best Water Softener for Marietta, GA — 17 Things to Know BEFORE You Buy!

Written by Craig "The Water Guy" Phillips

1. The Local Water Problem in Marietta, GA

Walk into any plumbing supply store in Marietta and you'll hear the same story: water heaters here don't last as long as they should. The reason isn't poor manufacturing or bad luck — it's Marietta's 7.8 grains per gallon (GPG) water hardness systematically destroying heating elements, clogging pipes, and forcing homeowners into premature appliance replacements.

To understand what 7.8 GPG means, imagine your water as a liquid carrying invisible construction materials. Every gallon flowing through your Marietta home contains 7.8 grains of dissolved calcium and magnesium — minerals that behave like microscopic cement mix when heated. These minerals don't stay dissolved forever. When water heats up in your water heater or evaporates from wet surfaces, they crystallize into rock-hard scale deposits.

Marietta's water originates primarily from the Etowah River system and Lake Allatoona, both of which flow through Georgia's mineral-rich Piedmont region. As water travels through limestone and granite formations, it dissolves calcium carbonate and magnesium compounds — creating the 7.8 GPG hardness level that classifies Marietta's water as "hard" on the official scale.

For Marietta homeowners, this hardness classification means measurable financial consequences. At 7.8 GPG, your water heater loses approximately 10-12% efficiency annually as scale coats the heating elements. Your dishwasher's interior glass develops permanent etching. Your washing machine uses 2-3 times more detergent to achieve basic cleaning. White mineral deposits coat every faucet, showerhead, and glass surface in your home.

The stakes extend beyond inconvenience into real estate value and family budget impact. Marietta homes with untreated 7.8 GPG water face accelerated appliance depreciation, higher utility bills, and the constant expense of descaling products that provide only temporary relief. The average Marietta household spends an estimated $800-1,200 annually on the hidden costs of hard water — from extra soap and energy to premature appliance replacement.

2. What 7.8 GPG Does to Your Home

At exactly 7.8 GPG, calcium carbonate begins forming visible scale deposits on heating elements within 60-90 days of continuous use. This isn't theoretical damage — it's predictable chemistry happening inside every water heater, dishwasher, and coffee maker in Marietta right now.

Inside your water heater, dissolved calcium and magnesium ions separate from water molecules when temperatures exceed 140°F. These ions immediately bond to metal surfaces, creating a white, chalky coating that acts like insulation. At 7.8 GPG, this scale layer grows approximately 1-2 millimeters thick per year on heating elements. The result: your water heater works 10-12% harder to heat the same amount of water, translating to $15-25 higher monthly energy bills for the average Marietta household.

Marietta's older neighborhoods with galvanized steel plumbing face the most severe pipe narrowing. Scale deposits form concentric rings inside pipe walls, gradually reducing water pressure throughout the home. At 7.8 GPG, measurable flow restriction begins within 5-7 years in 1-inch supply lines. Homes built before 1980 in areas like Whitlock Avenue and Roswell Road show the most dramatic examples — some requiring complete re-piping by year 10.

Appliance manufacturers understand the 7.8 GPG threat. Dishwashers operating in Marietta's hard water typically require replacement 2-3 years earlier than the manufacturer's estimated lifespan. Washing machines develop mineral buildup in pumps and valves, leading to mechanical failures around year 6-7 instead of the expected 10-12 years. Coffee makers and ice makers clog with scale deposits, requiring replacement every 18-24 months instead of 4-5 years.

The soap and detergent waste at 7.8 GPG creates a measurable monthly expense for Marietta families. Calcium and magnesium ions react with soap molecules to form insoluble precipitates — the gray scum ring around your bathtub. Instead of creating cleaning lather, your soap literally turns into waste. The average Marietta household uses 2.5 times more laundry detergent, 3 times more dish soap, and 2 times more shampoo compared to soft-water cities. Annual cost: approximately $180-240 per household.

Skin and hair effects become noticeable above 7 GPG, and Marietta's 7.8 GPG crosses this threshold. Calcium ions bond to skin proteins, creating a film that blocks natural oils and traps dead skin cells. Residents report dry, itchy skin that worsens during winter months when indoor heating further reduces humidity. Hair feels coarse and looks dull because mineral deposits coat each hair shaft, preventing natural oils from reaching the ends.

Laundry emerges from Marietta washing machines with embedded mineral deposits that make fabrics feel stiff and look gray. White clothing develops a dingy appearance within 6-8 wash cycles as calcium carbonate embeds in cotton and linen fibers. Colors fade faster because minerals interfere with detergent chemistry. Towels lose their absorbency as scale deposits clog the fabric's natural fiber structure.

The total "hard water tax" for a typical Marietta household at 7.8 GPG amounts to approximately $950-1,200 annually. This includes $180-300 in excess energy costs, $180-240 in extra soap and detergent, $200-300 in accelerated appliance depreciation, and $390-360 in cleaning supplies and descaling products that provide only temporary relief.

3. Marietta's Specific Contaminant Profile

Beyond the 7.8 GPG hardness baseline, Marietta residents are also contending with chlorine and sediment — each of which interacts with water hardness in its own way. Understanding these interactions is crucial for choosing the right treatment approach for your home.

Chlorine in Marietta's Water Supply

Marietta adds chlorine to the municipal water supply as a disinfectant, with typical residual levels ranging from 1.0-3.0 mg/L depending on seasonal demand and distribution distance. This chlorine enters the system at the treatment plant and travels through miles of distribution pipes before reaching your home.

At 7.8 GPG hardness, chlorine creates compounded problems beyond the familiar taste and odor. Chlorine accelerates the degradation of rubber seals and gaskets in appliances — a process that happens faster when scale deposits create rough surfaces where chlorine can concentrate. Your dishwasher's door seals, washing machine hoses, and water heater connections deteriorate 20-30% faster in Marietta's chlorinated hard water compared to soft, chlorine-free water.

Marietta residents notice stronger chlorine taste and odor during summer months when water temperatures in distribution lines increase. The "swimming pool" smell becomes most apparent in morning showers when overnight water has concentrated in the pipes. Some residents report a slight medicinal aftertaste, particularly in areas farthest from the treatment plant where chlorine levels are maintained at higher concentrations.

The EPA's maximum allowable chlorine residual is 4.0 mg/L, and Marietta's levels typically remain well below this threshold. However, chlorine forms disinfection byproducts (trihalomethanes and haloacetic acids) as it reacts with organic matter in the distribution system. These byproducts are regulated separately and monitored regularly by the city.

The SoftPro Elite HE water softener alone does not remove chlorine — it's designed specifically for hardness minerals. For Marietta residents concerned about chlorine taste, odor, or appliance protection, a whole-house activated carbon filter installed upstream of the softener provides comprehensive treatment. The carbon removes chlorine before water reaches the softening resin, and the softener removes the 7.8 GPG hardness minerals.

Sediment in Marietta's Distribution System

Sediment in Marietta's water originates primarily from aging distribution pipes and occasional main line breaks rather than source water turbidity. The city's water treatment plant effectively removes particulate matter, but sediment re-enters the water as it travels through decades-old pipe networks in established neighborhoods.

At 7.8 GPG, suspended particles provide nucleation sites for calcium and magnesium crystallization — meaning sediment accelerates scale formation. Tiny rust flakes or pipe debris become coated with mineral deposits, creating larger particles that clog aerators, damage valve seats, and scratch fixture finishes.

Marietta residents notice sediment most often after water main work in their neighborhood or during periods of high water demand when flow velocities increase. The particles appear as brown or orange specks in water, particularly from cold-water faucets first thing in the morning. While aesthetically unpleasant, these sediment levels typically remain well below EPA turbidity standards of 1 NTU.

Sediment damages water softener resin over time, especially at Marietta's 7.8 GPG hardness level where resin beads work harder and regenerate more frequently. Particles embed in the resin bed, reducing ion exchange capacity and creating channels where hard water bypasses treatment. The SoftPro Elite HE's built-in sediment pre-filter addresses this concern by capturing particles before they reach the resin tank — a critical feature for Marietta installations.

4. Why Most Marietta Homeowners Pick the Wrong Softener

After 15 years covering water treatment installations across Georgia, I've seen the same four mistakes repeated by well-meaning Marietta homeowners who end up disappointed with their softener's performance. Understanding these pitfalls can save you thousands of dollars and months of frustration.

Mistake 1: Buying on Price Alone

An undersized water softener cannot handle Marietta's continuous 7.8 GPG demand, regardless of how good the sale price looks. Resin exhaustion happens every 2-3 days at this hardness level when the unit is undersized, meaning you'll experience hard water breakthrough between regeneration cycles. A 24,000-grain unit that works adequately in Atlanta's softer suburbs will fail a typical Marietta household within a week of installation. The "bargain" becomes expensive when you're forced to upgrade six months later.

Mistake 2: Confusing Softeners with Filters

Water softeners use ion exchange resin to remove calcium and magnesium — period. They do not reliably remove chlorine or sediment. Marietta residents dealing with both 7.8 GPG hardness and chlorine taste need a two-stage approach: activated carbon for chlorine removal and ion exchange for hardness removal. Sediment requires mechanical filtration upstream of the softener to protect the resin bed. Expecting one unit to solve all three problems leads to disappointment and potential equipment damage.

Mistake 3: Ignoring Grain Capacity Math

Here's the sizing formula every Marietta homeowner should understand: [People] × 75 gallons/day × 7.8 GPG = daily grain demand For a 4-person household: 4 × 75 × 7.8 = 2,340 grains per day 2,340 × 7 days = 16,380 grains per week

Add a 20% buffer for high-usage days, and you need approximately 19,650 grains of capacity between regenerations. This calculation points directly to a 32,000-grain minimum capacity for optimal 5-7 day regeneration cycles. Anything smaller forces daily or every-other-day regeneration, wasting salt and water while providing inconsistent soft water quality.

Mistake 4: Overlooking Salt Efficiency

At 7.8 GPG, your softener will regenerate 50-75 times per year — significantly more than units in soft-water cities. An inefficient model uses 8-12 pounds of salt per regeneration, while a high-efficiency unit uses 4-6 pounds for the same grain capacity recovery. Over 10 years in Marietta, this compounds into 2,000-4,000 extra pounds of salt at $6-8 per 40-pound bag. The efficient unit pays for its higher upfront cost within 18-24 months through salt savings alone.

5. The SoftPro Elite HE: Built for Marietta's Water

After evaluating Marietta's water hardness of 7.8 GPG and the presence of chlorine and sediment in the local supply, one system consistently rises to the top for Marietta homeowners: the SoftPro Elite HE Water Softener. This isn't a marketing claim — it's the logical conclusion drawn from matching system capabilities to Marietta's specific water challenges.

Salt-Based Ion Exchange Technology

Salt-free systems do not actually remove hardness minerals — they only attempt to change crystal structure through template-assisted crystallization. At Marietta's 7.8 GPG level, salt-free systems cannot prevent scale formation in water heaters or appliances. The SoftPro Elite HE uses true cation exchange resin to physically replace calcium and magnesium ions with sodium ions — the only proven method that delivers genuinely soft water (under 1 GPG) at this hardness level. This isn't preference; it's chemistry.

Demand-Initiated Regeneration (DIR)

At 7.8 GPG, resin capacity exhausts faster than in Georgia's soft-water counties to the south. DIR technology monitors actual water usage and hardness removal, regenerating only when the resin bed is actually depleted. For Marietta households, this prevents hard water breakthrough (under-regeneration) during high-usage periods while avoiding salt and water waste (over-regeneration) during vacation or low-usage periods. This precision is operationally essential, not just convenient, at this hardness level.

NSF/ANSI Standard 44 Certified Resin

Certification verifies that the cation exchange resin meets strict performance and materials safety standards. For Marietta residents already managing chlorine and sediment in their water supply, knowing the softening process itself doesn't introduce additional contaminants is critical. The certification also validates the resin's ability to consistently achieve the ion exchange rates necessary for 7.8 GPG hardness removal.

Multiple Grain Capacity Options (32K, 48K, 64K, 80K)

Using the sizing calculation from Section 4, a typical 4-person Marietta household requires approximately 19,650 grains of weekly capacity. The SoftPro Elite HE's 48,000-grain model provides the optimal match — allowing 5-7 day regeneration cycles with adequate reserve capacity for guests or high-usage periods. Larger households or those with high water consumption can step up to the 64K or 80K models using the same mathematical approach. This sizing precision ensures consistent soft water delivery without over-sizing and wasting salt.

10-Year Comprehensive Warranty

At 7.8 GPG, the cation exchange resin processes significant mineral loads daily — approximately 2,340 grains worth of calcium and magnesium removal for a 4-person household. This heavy daily use puts stress on resin beads, control valves, and internal components that units in soft-water cities never experience. The SoftPro's 10-year warranty provides Marietta homeowners with protection during the years of highest hardness-related stress, when inferior units typically begin showing performance degradation.

Self-Cleaning Sediment Pre-Filter

Before hardness minerals reach the main resin tank, Marietta's sediment particles are captured in a cleanable filter housing. This protects resin life in a city where both particulate matter and 7.8 GPG hardness are present simultaneously. The pre-filter backwashes automatically during each regeneration cycle, preventing the sediment buildup that would otherwise embed in resin beads and create hard water bypass channels. This feature directly addresses one of Marietta's two secondary contaminants while protecting the primary hardness treatment system.

For Marietta households dealing with 7.8 GPG of water hardness and the compounding presence of chlorine and sediment, the SoftPro Elite HE is not a comfort upgrade — it is infrastructure protection for your home. The system's design directly addresses each component of Marietta's water profile with engineering solutions, not marketing promises.

6. How to Size Your Softener for Marietta

Proper sizing for Marietta's 7.8 GPG water requires precise calculation, not guesswork. Follow these steps to determine the exact grain capacity your household needs:

Step 1: Count household members (include regular overnight guests)

Step 2: Multiply by 75 gallons per person per day (Georgia average consumption)

Step 3: Multiply household gallons × 7.8 GPG = daily grain demand

Step 4: Multiply daily grains × 7 days = weekly grain demand

Step 5: Add 20% buffer for high-usage days

Step 6: Match result to SoftPro Elite HE grain tier

Example calculation for a 4-person Marietta household:

Step 1: 4 people Step 2: 4 × 75 = 300 gallons per day Step 3: 300 × 7.8 GPG = 2,340 grains per day Step 4: 2,340 × 7 = 16,380 grains per week Step 5: 16,380 × 1.20 = 19,656 grains needed Step 6: Select SoftPro Elite HE 48K model

The 48,000-grain capacity allows regeneration every 5-7 days, which is optimal for salt efficiency and consistent performance. Regenerating more frequently wastes salt and water; regenerating less frequently risks hard water breakthrough during high-usage periods. This mathematical approach ensures your investment performs correctly for Marietta's specific 7.8 GPG challenge.

7. Installation in Marietta: What to Know

Marietta does not require a licensed plumber for water softener installation, but the city does require proper placement and drainage compliance. Most homeowners can legally install their own system, though professional installation ensures warranty compliance and proper setup.

Proper placement requires installation after the main water shutoff valve but before the water heater. In most Marietta homes, this location is in the garage, basement, or utility room where the main supply line enters the house. The softener treats all water entering the home except for outdoor spigots and one cold-water kitchen tap, which typically bypass the system for drinking and gardening.

The regeneration process requires a drain connection for brine discharge. Marietta's municipal code allows softener discharge to floor drains, utility sinks, or standpipes — but not directly to septic systems in the few remaining unsewered areas. The drain line cannot be hard-plumbed; it must have an air gap to prevent backflow contamination.

Marietta's typical municipal water pressure ranges from 45-65 PSI, which suits the SoftPro Elite HE's operating requirements perfectly. No pressure tank or booster pump is needed for normal installations. However, homes at the end of long cul-de-sacs or on hills may experience lower pressure during peak demand hours.

At 7.8 GPG, use evaporated salt pellets exclusively — avoid rock salt or solar crystals. Evaporated pellets contain 99.8% pure sodium chloride with minimal impurities that could interfere with resin performance. At this hardness level, the extra cost of high-purity salt pays for itself through reduced brine tank cleaning and longer resin life. Solar crystals leave more residue and can cause bridging problems in frequent-regeneration applications.

Check salt levels monthly at Marietta's 7.8 GPG consumption rate. The typical household will use 15-20 pounds of salt per month, requiring a 40-pound bag refill every 6-8 weeks. Keep the brine tank half-full of salt, but never let salt levels drop below the water line or rise above 75% tank capacity.

8. Maintenance Schedule for Marietta Homeowners

At 7.8 GPG hardness, your SoftPro Elite HE will work harder than units in soft-water cities — requiring a maintenance schedule calibrated to this mineral load. Following this timeline prevents performance issues and extends system life.

Monthly Tasks:

Check salt level (consumption is moderate-to-high at 7.8 GPG). Look for salt bridges — a hard crust that forms above the water line and blocks proper brine formation. Tap the salt surface with a broom handle; it should break apart easily. If you hear a hollow sound, a bridge has formed and needs breaking. Confirm the bypass valve remains in the "service" position unless maintenance is being performed.

Every 3 Months:

Clean the brine tank by removing loose salt and wiping down interior walls with a damp cloth. Test post-softener water hardness using test strips — confirm readings under 1 GPG at all taps. If hardness exceeds 1 GPG, the resin may need cleaning or the regeneration schedule may need adjustment. Clean the sediment pre-filter housing and inspect the filter element for particle buildup.

Annual Maintenance:

Perform complete brine tank cleaning by emptying all salt, scrubbing interior surfaces, and refilling with fresh evaporated pellets. Conduct a resin bed performance check — if post-softener hardness creeps above 1 GPG despite proper salt levels, the resin may need professional cleaning or replacement. Audit the regeneration cycle timing to confirm it aligns with actual household usage patterns.

Every 5 Years:

Evaluate resin replacement needs — at 7.8 GPG, assess whether the resin bed still achieves complete ion exchange or if mineral breakthrough indicates degraded capacity. High-GPG cities like Marietta stress resin beads more than soft-water locations, potentially requiring replacement around year 8-10 instead of the typical 12-15 years. Professional water testing can determine if resin performance meets original specifications.

Pro tip for Marietta residents: Order a home water hardness test kit, establish baseline readings before installation, and retest 30 days after to confirm the system achieves consistent sub-1 GPG performance throughout your home.

9. What to Do Next

Before purchasing any water softener for your Marietta home, verify your current hardness level with an independent test. While 7.8 GPG represents the city average, individual homes may vary depending on plumbing age, location in the distribution system, and internal pipe conditions.

Contact three local plumbers for installation quotes, even if you plan to install the system yourself. Professional installation ensures proper electrical connections, drainage compliance, and warranty protection. Many Marietta homeowners find the installation cost worthwhile for the peace of mind and guaranteed performance.

Schedule a home plumbing inspection to identify any issues that should be addressed before softener installation. Old galvanized pipes, corroded fittings, or inadequate electrical circuits can complicate installation and reduce system performance. Addressing these issues first prevents costly surprises during the installation process.

10. Homeowner Checklist

Use this checklist to avoid the common mistakes covered in Section 4:

✓ Calculate exact grain capacity needed using Marietta's 7.8 GPG (don't guess) ✓ Verify the system removes hardness only — plan separate chlorine treatment if desired ✓ Confirm adequate electrical supply (110V outlet) near installation location ✓ Identify proper drain location with air gap for regeneration discharge ✓ Budget for evaporated salt pellets (higher cost but necessary at 7.8 GPG) ✓ Plan bypass plumbing for at least one cold-water kitchen tap ✓ Schedule installation after any major plumbing repairs ✓ Order baseline water test kit to document before/after performance

11. Recommended Setup for Marietta

For comprehensive treatment of Marietta's 7.8 GPG hardness plus chlorine and sediment, this configuration delivers optimal results:

Stage 1: Whole-house sediment filter (20-micron) to capture particles before they reach downstream equipment Stage 2: Whole-house activated carbon filter to remove chlorine taste, odor, and appliance protection Stage 3: SoftPro Elite HE 48K water softener for complete hardness removal Optional Stage 4: Point-of-use carbon filter at kitchen sink for premium drinking water

This staged approach addresses each of Marietta's water challenges in logical sequence. Sediment removal protects downstream equipment, chlorine removal protects rubber components and eliminates taste/odor, and softening removes the minerals that cause scale and soap waste. Total investment typically ranges $2,800-4,200 installed, paying for itself within 3-4 years through energy savings and reduced maintenance costs.

12. 30-Day Action Plan

Week 1: Order water test kit and test current hardness at multiple taps. Research local plumbing contractors and request three installation quotes.

Week 2: Compare SoftPro Elite HE grain capacities using your household's specific calculation. Identify installation location and verify electrical/drainage requirements.

Week 3: Purchase system and schedule installation. Order initial supply of evaporated salt pellets (2-3 bags).

Week 4: Complete installation and initial setup. Test post-softener hardness at all taps to confirm under 1 GPG performance.

13. Frequently Asked Questions for Marietta Residents

13. Is Marietta's water at 7.8 GPG dangerous to drink?

No, Marietta's 7.8 GPG hardness poses no direct health risks — calcium and magnesium are actually beneficial minerals. The EPA classifies both as essential nutrients. The problems are mechanical and aesthetic: scale buildup, soap waste, appliance damage, and skin/hair effects. Some people with kidney stones are advised by doctors to limit mineral intake, but this is individual medical guidance, not a general safety concern. Marietta's municipal water meets all federal safety standards.

14. Will a water softener remove chlorine and sediment from Marietta's water?

Water softeners remove calcium and magnesium through ion exchange — they do not reliably remove chlorine or sediment. The SoftPro Elite HE includes a sediment pre-filter that captures particles, but chlorine requires activated carbon filtration. For complete treatment of Marietta's water profile, pair the softener with a whole-house carbon filter upstream. This two-stage approach addresses hardness, chlorine taste/odor, and sediment protection simultaneously.

15. How much salt will I use per month in Marietta at 7.8 GPG?

A typical 4-person Marietta household will use approximately 15-20 pounds of salt per month at 7.8 GPG hardness. This equals one 40-pound bag every 6-8 weeks, costing $6-8 per bag for evaporated pellets. Annual salt cost: $50-70. Higher usage households or larger families will use proportionally more. This is significantly more than soft-water cities but much less than extremely hard water areas above 12 GPG.

16. Does Marietta require a permit to install a water softener?

Marietta does not require a specific permit for water softener installation, but the work must comply with Georgia plumbing codes. If you're adding new electrical circuits or making major plumbing modifications, those changes may require permits. Most simple installations connecting to existing plumbing do not. Professional installers handle permit requirements automatically. DIY installers should check with Marietta's building department if the installation involves more than basic pipe connections.

17. Why does soft water feel slippery in the shower?

Soft water feels slippery because calcium ions are no longer present to interfere with your skin's natural oils and soap chemistry. In Marietta's 7.8 GPG hard water, calcium binds to soap and forms insoluble precipitates that leave a film on your skin. Soft water allows soap to work properly, creating a clean, naturally lubricated feeling that hard-water users interpret as "slippery." This is actually your skin's healthy, natural state without mineral interference. Most people adjust to the feeling within 1-2 weeks.

18. How quickly will I see results after installing a softener in Marietta?

Immediate results include elimination of new scale formation and improved soap lather within 24 hours. Existing scale deposits in Marietta homes take 2-6 months to gradually dissolve, depending on thickness. White spotting on dishes and glassware stops immediately. Skin and hair improvements typically become noticeable within 1-2 weeks. Energy savings from improved water heater efficiency begin immediately but are most measurable on monthly utility bills after 60-90 days of operation.

19. Can the SoftPro Elite HE handle Marietta's water without a separate filter?

The SoftPro Elite HE will effectively remove Marietta's 7.8 GPG hardness and includes sediment pre-filtration, but it does not remove chlorine. For hardness and sediment treatment only, the system handles Marietta's water completely. For residents who want chlorine removal for taste, odor, or appliance protection, a whole-house carbon filter should be installed upstream of the softener. This provides comprehensive treatment of all three contaminants in Marietta's water profile.

20. Final Verdict for Marietta

Marietta's hardness of 7.8 GPG demands professional-grade treatment, not consumer-level solutions. At this hardness classification, the difference between a properly sized, high-efficiency softener and an undersized or inferior unit is measured in thousands of dollars of appliance damage and energy waste over time.

The presence of chlorine and sediment compounds the hardness problem in specific ways that require strategic treatment sequencing. Sediment accelerates resin fouling, and chlorine degrades rubber components faster when scale provides rough surfaces for concentration. These interactions make Marietta's water more challenging than simple 7.8 GPG hardness alone.

The SoftPro Elite HE rises above other options because its demand-initiated regeneration, certified resin, and sediment pre-filter directly address the mathematical realities of treating 7.8 GPG water daily. The system's engineering matches Marietta's water chemistry, not generic marketing promises. For comprehensive treatment, pair it with upstream carbon filtration for chlorine removal.

Check current SoftPro Elite HE pricing and available grain capacities for a Marietta household. The mathematical sizing approach and staged treatment strategy outlined here will protect your home's plumbing infrastructure and preserve the investment you've made in your property near the historic Marietta Square.