Pools, Hot Tubs & Supplies

This concentrated formula removes organic particles that can result in dull water and clogged filters. It adds crystal clear sparkle and reduces sanitizer demand without affecting the pH balance of your pool water. Compatible with chlorine, bromine, ozone, salt water chlorine and biguanide sanitizing systems.

Increase water hardness to prevent equipment corrosion and scaling with GLB calcium hardness up. One pound of GLB calcium hardness up will increase the calcium hardness 10 ppm in 10,000 gal. of water.

GLB Granular dichlor dissolves quickly and completely for easy pool sanitization and daily chlorination. Contains 56% available chlorine. Add directly to pool water as needed to maintain 1-4 ppm free-chlorine level. May be used to shock treat pool water.

GLB Granular dichlor dissolves quickly and completely for easy pool sanitization and daily chlorination. Contains 56% available chlorine. Add directly to pool water as needed to maintain 1-4 ppm free-chlorine level. May be used to shock treat pool water.

Use pH Down to lower the pH of your pool water and help fend off scale formation, prevent cloudy water and most importantly, keep your swimmers comfortable.

This non-chlorine shock oxidizer creates sparkling water and shock treats in one step. A powerful oxygen-based oxidizer, its powerful formula rids pool water of contaminants that cause odor and irritation. It also brightens and clears pool water with unique blue water-brightening crystals.