Powdered alkalinity (KH) buffer supplement for all marine aquariums Helps increase pH stability in an aquarium by raising the alkalinity Provides a source of carbonates for reef-building organisms Increase aquarium pH stability and replenish carbonates important to reef-building organisms. Alkalin8.3-P alkalinity (KH) buffer powder is a highly effective powdered blend that increases and maintains alkalinity to a desirable level. Formulated by a marine scientist, Alkalin8.3-P provides a source of carbonates important for developing skeletal material in reef-building organisms. Continued addition of Alkalin8.3 also raises pH and maintains it at 8.3. For marine and reef aquariums. 500 grams treats up to 5,000 gallons. Please click on "More Information" for instructions and guidelines.

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