Hydria Clear 1" Bromine Tabs - 10 Lbs
Hydria Clear are slow dissolving brominating tablets for your pool and spa.
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You should be testing your water frequently with a reliable test kits. You want to establish an effective active bromine residual of between 2 and 3 ppm. Adjust the flow rate through the brominator if necessary to maintain the active bromine residual.
Overall, you should keep pH between 7.2 and 7.6 and never allow it to fall below 7.0. The dosage necessary for your pool will change considerably depending upon the factors that burden the disinfection system.