Assess the risk of the appearance of algae in a single step
It is essential to measure the amount of phosphate in your pool water to enable its control. This measurement can be easily performed using the Arch Phosphate test kit which contains enough test strips to perform 10 pool tests.
Full instructions are included with each kit.
Easy to use, results in 60 seconds!
PHOSPHATE TEST - HTH
Instructions for use
Fill the vial up to the second line with the water to be tested
Dip the strip into the vial with a back and forth motion for 30 seconds. Remove the strip from the water.
If phosphates are present, the water reacts and becomes colored
Immediately compare the colored water in the vial to the color scale.
To do this, stand above the vial and move it to each white circle