Pro-Swim Dry Acid (pH Minus)

Tests quickly, easily and simultaneously for chlorine, pH, total alkalinity and stabiliser. Simply dip the strip into the water and compare the coloured patches to the swatches printed on the side of the bottle.

50 strips per bottle

Tests quickly and easily for salt. Simply dip the plastic termometer style strip into the water and wait for the line to climb up the scale. Use the measurement to take a reading for corresponding sodium chloride levels from the chart on the bottle.