Insta-Test 3040-G High Range Phosphate Test Strips, 25 per Bottle above-ground-pump-filter Controls air flow to spa

Controls air flow to spa jets for customized massage intensity

or even small pools

this FloThru style heater supports reliable water heating performance in modern hot tub and spa applications

or topside control

Insta-Test 3040-G High Range Phosphate Test Strips, 25 per Bottle above-ground-pump-filter Controls air flow to spaInsta Test 3040 G High Range Phosphate Test Strips 25 Strips per Bottle Quickly and accurately check phosphate levels in your pool or spa water with the LaMotte Insta Test 3040 G High Range Phosphate Test Strips. Designed for fast results and easy use, these test strips provide reliable readings for phosphate concentrations, helping you maintain clean and clear water. Fast Results: Delivers phosphate readings in just 15 seconds for 0, 100, 200, 300,