Seachem Reef Buffer 250 GM Carbonate Alkalinity Powder Raises Saltwater pH 8.3

Use Seachem's MultiTest: Marine pH & Alkalinityª to check pH and total alkalinity. Check pH and alkalinity before use. Dissolve in at least one cup of freshwater, then add to the tank. The pH of natural sea water is 8.25-8.30.

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