AquaChek Red - Measures Bromine in hot tubs
Very good test sticks for Brom from USA
Tests total Bromine, pH and Alkalinity in hot tubs.
50 sticks per pack.
Instructions:
1. Dip the test stick into the water and pick it up immediately.
2. Hold the stick for 15 seconds (do not shake off excess water from the stick).
3. Compare hardness, bromine, alkalinity and pH (in that order) with the colour scale on the package.