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Pool Mate 25-Pounds Calcium Chloride Hardness Increaser

Pool Mate ★ 4.0/5 · ItemOracle Score Budget

$40 USD
Price subject to change
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Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride

Calcium chloride powder increases pool water hardness to prevent corrosion. Easy to use and dissolves quickly, with customers noting effective calcium level raises

Highlights

  • quick dissolution
  • effective calcium hardness increase
  • prevents corrosion/etching

Pros

  • Dissolves quickly
  • Raises calcium hardness effectively
  • Easy to use
  • Good value for money
  • Quality formulation

Cons

  • Clumpiness reported by some customers

Best For

  • saltwater pools
  • preventing pool surface etching
  • maintaining calcium hardness in 200-400 ppm range
  • suppressing corrosion in pools
  • raising hardness for large-volume pools

Features

  • Calcium chloride increases pool water hardness
  • Raises total hardness to reduce risk of corrosion or etching
  • Effective range: calcium hardness 200–400 ppm

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