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Seachem Liquid Alkaline Buffer, 20L (5.3 gal.)

Product #AD-SC691


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Description: Seachem Liquid Alkaline Buffer, 20L (5.3 gal.) is a non-phosphate buffer to raise pH and alkalinity (KH) and buffer with Liquid Acid Buffer.
Brand: Seachem


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Seachem Liquid Alkaline Buffer, 20L (5.3 gal.)

Liquid Alkaline Buffer is a non-phosphate buffer to raise pH and alkalinity (KH) and buffer with Liquid Acid Buffer. Both buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem. Liquid Alkaline Buffer raises pH and buffers between 7.2 and 7.8. It is gentle, safe, and enhances the freshwater environment.

DIRECTIONS: Use 1 capful (5 mL) for every 10 L (2.5 gallons) daily until desired pH is reached (this dose raises alkalinity by about 0.4 meq/L (1.2 dKH)). If water is soft or not well buffered, use with Liquid Acid Buffer (see below).

TIPS: Liquid Alkaline Buffer will not lower pH. It may be added directly to the aquarium at any time. It preferentially buffers at pH 8.2, but can manage any pH between 7.2 and 8.7 when used with Liquid Acid Buffer. If using with RO or DI water for a water change, then use with Liquid Acid Buffer at a fixed ratio (see chart) to set the desired pH. Once pH is set add water to aquarium as soon as possible to avoid pH fluctuations.


  • Weight: 46.2 lb
  • Height: 14 in
  • Width: 11 in
  • Depth: 10 in
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AD-SC691

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