Quart Leisure Time Spa Liquid Spa Up Ph Increaser For Hot Tubs & Spas - ZHQ 30420A 30420 01-01-6180 Inside diameter is 7 5/8''

Inside diameter is 7 5/8'' & 5 5/8''

Spa Perfect also works as a continuous cartridge filter cleaner

Aladdin Magic Lube Teflon Lubricant Sealant & O-Rings Gaskets

Natural Chemistry’s Spa Alkalinity Increaser is used to raise total alkalinity in spa water

Leisure Time Sodium Bromide For Hot Tubs & Spas

Quart Leisure Time Spa Liquid Spa Up Ph Increaser For Hot Tubs & Spas - ZHQ 30420A 30420 01-01-6180 Inside diameter is 7 5/8''Leisure Time Spa Balance Liquid Spa U Ph Increaser For Hot Tubs & Spas Raises the pH and total alkalinity in spa water. Pour directly into spa water and circulate. Size is a quart (32oz), liquid form Increases water pH and alkalinity upwards Compatible with all sanitizers including chlorine and biguanide Easier to use than granular balancers Maintains clean, clear sanitized water Raises pH and total alkalinity The solution requires no diluting Pre