Clorox Pool&Spa 4-lb Calcium Hardness Increaser Pool Balancer Item #1060922 Model #AP-3651 30 secs-1 for medium applications

30 secs-1 for medium applications and 1-2 minutes for heavy applications

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Danco’s bathroom pop-up stopper is easy to install and will look great in your sink with its modern matte black finish

Detachable design allows for easy cleaning

Clorox Pool&Spa 4-lb Calcium Hardness Increaser Pool Balancer Item #1060922 Model #AP-3651 30 secs-1 for medium applicationsClorox Pool&Spa Calcium Hardness Increaser raises low total hardness levels in your swimming pool that can cause damage to your pool surface. Ideal for plaster pools and soft water areas. Use it to raise total hardness levels in your pool that are below 175 ppm. Increasing total hardness in your pool prevents surface damage like corrosion, staining, and etching. Five (5) lbs. Per 10,000 gallons will raise increase your total hardness levels by 50 ppm.