Seachem Alkaline Buffer 300g

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RRP: £11.29

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Quick Overview

Seachem Alkaline Buffer 300g raises pH increases Alkalinity (KH)-300g

Seachem Alkaline Buffer

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  • Seachem Alkaline Buffer


Seachem Alkaline Buffer 300g

Seachem Alkaline Buffer 300g is a non-phosphate buffer designed to raise pH and alkalinity (KH) and buffer with Seachem Acid Buffer. These buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem.

Seachem Alkaline Buffer raises pH and buffers between 7.2 and 8.5. It is gentle, safe, and enhances the freshwater environment.

Why It's Different

What distinguishes Seachem Alkaline Buffer 300g from other buffers is that it does not contain phosphates. This makes it ideal for the planted aquarium, where excess phosphate could contribute to undesirable algae growth.


Use 7 g (1 level teaspoon) for every 40 L (10 gallons*) daily until desired pH is reached (this dose raises alkalinity by about 2 meq/L (5.6 dKH)).

If water is soft or not well buffered, use with Seachem Acid Buffer  

HINTS: Seachem Alkaline Buffer will not lower pH. It may be added directly to the aquarium at any time. It preferentially buffers at pH 7.8, but can manage any pH between 7.2 and 8.5 when used with Seachem Acid Buffer

Additional Information

Manufacturer Seachem
Brand No
free delivery over £50
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