Three in One water testing strips.
Dip the strip in the pool for 5 seconds and read off levels against the colour chart on the pack.
Tests for Free Chlorine, pH and Total Alkalinity.
Has Bromine scale also for Bromine testing.
Each pack contains 50 strips.
The strips are vacuum packed in foil in lots of 10 to ensure that unused strip stay dry before use.
Ideal for a quick check to see if your water is OK.