Pay in 4 interest-free payments of $4.25 Learn more
Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Fresh Mineral water with SmartChlor® Technology for SWIM SPAS up to 3
Master Clear Chlorine Granules – 2 lb
The primary component is sodium bicarbonate
Attach the filter to your garden hose and insert it directly into the filter housing with the cartridge removed
Buy the bundle and save
Spa Hardness Up outer filter Fresh Mineral water with SmartChlor®Master Clear Spa Hardness Up Increases Water Hardness To Help Prevent Corrosion and Staining. Master Clear Spa Hardness Up 32 oz Liquid Hardness Increaser Raises the Calcium Hardness level in your spa water. The ideal total hardness level in your spa or pool should be between 200 & 400 ppm. Spa Hardness Up is pre dissolved as a liquid for easier dispersal in your spa & quicker absorption. Water hardness will also decrease brittle plumbing & jets,
