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Water Treatment Huntingtown, Calvert County 5 min readMarch 1, 2025

Water Softener Installation — Huntingtown, MD

A Huntingtown homeowner had hard water causing scale buildup on fixtures and a water heater that was failing at only 7 years old. Water test showed hardness at 22 gpg — extremely hard. We installed a 64,000-grain water softener and the water heater efficiency recovered within 30 days.

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The Problem

A Huntingtown homeowner contacted us after their water heater failed at only 7 years old. The plumber who replaced the heater told them the tank had heavy scale buildup from hard water. They also had significant scale on all fixtures and shower doors. A water test confirmed hardness at 22 gpg — extremely hard, well above the 7 gpg threshold for softener recommendation.

Our Diagnosis

Hardness at 22 gpg was causing aggressive scale buildup throughout the plumbing system. The water heater failure at 7 years was directly attributable to scale insulating the heating element and causing it to overheat. We sized a 64,000-grain softener for the household: 5 people × 75 gallons/day × 22 gpg = 8,250 grains/day, regenerating every 7–8 days.

The Repair Process

  1. 1Comprehensive water quality test — hardness 22 gpg, iron 0.4 ppm, pH 7.1
  2. 2Sized 64,000-grain softener for 5-person household at 22 gpg
  3. 3Installed softener at point of entry, bypassing outdoor hose bibs
  4. 4Set regeneration cycle for every 7 days
  5. 5Post-installation test confirmed hardness below 1 gpg
  6. 6Recommended annual water heater flush to remove existing scale
  7. 7Performed water heater flush — removed significant scale from new tank

The Outcome

Hardness reduced from 22 gpg to below 1 gpg. Scale buildup stopped immediately. New water heater efficiency improved measurably within 30 days as existing scale dissolved. Homeowner reported soap lathers normally for the first time since moving in.

Key Takeaway

Hard water at 22 gpg will destroy a water heater in 5–8 years. A water softener at the point of entry protects the water heater, all appliances, and all fixtures. The cost of a water softener (the cost of the repair installed) is less than the cost of one premature water heater replacement.

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"We recently had Deep Dive Plumbing Maryland out to our home in Annapolis after we suddenly started noticing sewer flies throughout the house. They truly lived up to their name and performed a full "deep dive" diagnostic inspection instead of just treating the symptom. During their inspection they discovered our sewer pipe connected to the toilet had been leaking into the basement for quite some time. The team explained everything clearly, provided upfront pricing before starting any work, and even gave us a military discount which was greatly appreciated. They were professional, respectful, extremely knowledgeable, and took the time to make sure the repair was done correctly."

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Dunkirk, MD

June 2026

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