Pool & Spa Test Strips 4 in 1 Free Chlorine, pH, Alkalinity, Stabiliser  Aquachek
Pool and Spa test strips.
Provide fast, easy and accurate testing for Free Chlorine, pH, Total Alkalinity and Stabilizer.
Features:
Takes 15 seconds for results
Sealed, Flip?n Dispenser Bottle
Contains 50 single use strips
Colour chart provided to read the water chemistry of your pool
This is a simple and effective swimming pool and spa water test kit to test the 4 key water measures 
(Free Chlorine, pH, Total Alkalinity and Stabiliser) in just 15 seconds.
Simply dip the strip into the water for a few seconds, wait 15 seconds and lay the strip on the testing colour chart to provide you with the reading for your pool or spa water chemistry.