AquaChek® 4 in 1 Bromine Test Strips for testing spas and ...
Wait 15 seconds and then compare the strip pads to the colour chart on the bottle. You have the results in seconds! To keep your spa hot tub at its best, test the water before each use. (Two bathers in a 400 gallon spa are the equivalent of 150 bathers in a 20,000 gallon pool!). Test your pool at each end a minimum of twice a week.
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