Aquachek YellowTest strips test for Free Chlorine, pH, Total Alkalinity and Stabilizer. Idea for use with Arctic Pure Chlorine Tabs and Arctic Pure Onzen Sea Salt Blend The test pads on the strip change colour to indicate the levels in your pool or spa water. Be sure to snap the lid securely closed on the Aquacheck bottle immediately after dispensing a strip. This will prevent the Aquacheck test strips from spilling and keep them fresh. Aquacheck Yellow Strips should be stored in a cool dry place and leave the packet of drying agent in the bottle, it will keep the test strips at their best.

50 Aquachek Test Strips per pack