20# CALCIUM PLUS – BAGGED

Calcium Plus raises the calcium hardness of swimming pool water. The ideal calcium hardness range is 200-500 ppm. Maintaining calcium hardness below 200 ppm may cause corrosion of metal and plaster surfaces.

Useful Tips:

  • Test calcium hardness monthly and add this product if calcium hardness is below 200 ppm.
  • Use convenient dosage chart on product label.
  • If a large amount of Calcium Plus is required (more than a 50 ppm addition), add in 1/3 increments, allowing 4-6 hours between additions.

$42.99 $40.84

327 in stock

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Now offering Curbside Water Testing by Appointment Only!

Visit us online to schedule your 15-minute water testing consultation.

Simply select your store location and choose from the appointment slots available. 

Bring your water test bottle with a sample of your pool or spa water to your scheduled appointment. Please label the test bottle with your name, and drop it off at the water testing counter.


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