Swimming Pool Chemicals: Calcium Hardness Increaser

Looking for great deals on pool test kits, pool testing meters, pool test strips or pool test kit reagents? If so, you're in the right place because our seasoned 'pool water testers' know what you need!

Pool Supplies: Calcium Hardness Increaser

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Part Number: Y7200

Calcium Hardness Increaser 4 lb. Pail

Prevent corrosion of your pool plumbing caused by low pool chemical hardness levels. Use pool Calcium Hardness Increaser to correct pool chemical levels. Swimming pool chemicals at In The Swim. Your Cost: $19.99

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Part Number: Y7210

Calcium Hardness Increaser 25 lb. Pail

Prevent corrosion of your pool plumbing caused by low pool chemical hardness levels. Use pool Calcium Hardness Increaser to correct pool chemical levels. Swimming pool chemicals at In The Swim. Your Cost: $43.99

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Part Number: Y7220

Calcium Hardness Increaser 45 lb. Pail

Prevent corrosion of your pool plumbing caused by low pool chemical hardness levels. Use pool Calcium Hardness Increaser to correct pool chemical levels. Swimming pool chemicals at In The Swim. Your Cost: $59.99

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Part Number: Y7250

Calcium Hardness Increaser 90 lb. (2 X 45 lb.)

Prevent corrosion of your pool plumbing caused by low pool chemical hardness levels. Use pool Calcium Hardness Increaser to correct pool chemical levels. Swimming pool chemicals at In The Swim. Your Cost: $111.99

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