LaMotte DPD 1A Free Chlorine Reagent, 30 ml | P-6740-G Ladder Parts this coreless-style cartridge maximizes filtration

this coreless-style cartridge maximizes filtration surface area in a compact 19 7/8" profile — delivering superior water clarity and extended service life over standard-grade alternatives

360 Black Max

Forms an ultra-thin invisible barrier on the surface of the water that reduces heat and chemical loss by reducing water evaporation

1 quart treats 224

LaMotte DPD 1A Free Chlorine Reagent, 30 ml | P-6740-G Ladder Parts this coreless-style cartridge maximizes filtrationLaMotte Chlorine DPD#1A Reagent 30mL Features and Benefits: Measure Free Chlorine from 0 to 10 ppm on the ColorQ photometer The 30 mL size bottle can measure 144 tests with only using 5 drops per tests