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AquaChek's Red test strips allow pool and spa owners to test their bromine-based sanitation systems for total alkalinity, pH, bromine, and water hardness. Simply insert the test strip into the pool or spa water for 1 second, and seconds later you have fast, accurate results. It is recommended that you test your pool a minimum of twice per week, and spas before each use, to get an accurate picture of the health of your system.
- Dip and remove strip.
- Wait 15 seconds.
- Compare pad to color chart on bottle.