Seachem Acid Buffer 300g

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RRP: £11.59

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Quick Overview

Seachem Acid Buffer 300g Lowers pH and converts Alkalinity (KH) into CO2

Seachem Acid Buffer

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  • Seachem Acid Buffer


Seachem Acid Buffer 300g

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

Seachem Acid Buffer lowers pH and buffers between 5.0 and 8.0 when used with Seachem Alkaline Buffer.

As Seachem Acid Buffer lowers pH it converts carbonate alkalinity (KH) into available CO2. It may also be used to safely lower pH in marine water.

Why It's Different

What distinguishes Seachem Acid Buffer 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.


To lower pH, use 2 g (1⁄4 teaspoon) to every 80 L (US 20 gallons) daily until intended pH is reached (this dose lowers alkalinity by about 0.2 meq/L (0.6 dKH)).

Best if added directly to aquarium. If water is soft or not well buffered, use with Seachem Alkaline Buffer.

TIPS: Larger doses may be required in very hard (KH) alkaline waters.

Additional Information

Manufacturer Seachem
Brand No
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