SPA FILTERS: 50 SQFT HOT TUB CARTRIDGE FILTER, 13 1/4" X 4 15/16" Pool Chemicals Measure bromine or chlorine with

Measure bromine or chlorine with a water test kit or test strips

Pour required amount of this product into plastic

clean and scrub the pool walls

Increases the pH level when your spa water tests as acidic

SPA FILTERS: 50 SQFT HOT TUB CARTRIDGE FILTER, 13 1/4" X 4 15/16" Pool Chemicals Measure bromine or chlorine withQCA spa filter for Performance Series or older Majestic series spas measuring 13 1 4 inches in length. This filter fits most current QCA Spas Jewel models. This may also fit older Majestic and newer Performance Series spas. It is a 50 sq. ft. filter with a 4 15 16" outside diameter, a 13 1 4" length and a 2 1 8" opening. To maximize the life of your filter cartridge: Clean the elements as instructed Do not use a stiff brush to scrub the media Maintain