Use in freshwater aquariums to achieve the optimum pH levels.
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For freshwater aquariums. Use pH Increase when water testing reveals a pH lower than the healthy range (6.5 to 8.0.) Use pH Decrease when water testing reveals a pH higher than the healthy range of 6.5 to 8.0. Measuring cap included.
pH Increase: Sodium carbonate, water.
pH Decrease: Sodium bisulfate, water.
Add to the aquarium and allow water to circulate for at least 20 minutes before re-testing. Allow at least two hours before making additional changes to pH. Excessive rapid pH changes may harm fish. Do not change pH by more than 1 whole unit (such as from 8.0 to 7.0) in 24 hours.
For each 10 U.S. gallons (38 L), use 5 mL of solution.