Aquachek Red 4-In-1 Test Strips, 50 Strips | 521252A FG1006 match the part number stamped

match the part number stamped or molded on your existing core to 59053800 before ordering

Trendy & modern styles

Performance and fit are equivalent — always confirm by measuring your existing cartridge's length

Owning a pool with a variable speed motor is more affordable and better for the environment

confirm your filter uses a 7 full + 1 partial grid layout and that your existing grids measure 12" × 11"

Aquachek Red 4-In-1 Test Strips, 50 Strips | 521252A FG1006 match the part number stampedAquaChek Red 4 in 1 Test Strips, 50 test strips Tests for Total Bromine, pH, Total Alkalinity and Total Hardness Provides Test Results in seconds! To keep your pool at its best, test at each end at least twice a week, and test your spa before each use. Comes with complete instructions in multiple languages