Seachem Reef Buffer

9 reviews

From an internationally respected manufacturer you can trust to perform, Seachem Reef Buffer will effectively buffer your aquarium water to the right pH level for the benefit of coral and other marine lifeforms. Easy to use, is it at the best price here at Swell UK.


  • Reef Buffer 50g
    code: 674 In stock Only 2 left in stock
  • Reef Buffer 250g
    code: 676 In stock Only 3 left in stock
  • Reef Buffer 500g
    code: 673 In stock Only 4 left in stock
  • Reef Buffer 1kg
    code: 677 In stock Only 2 left in stock
  • Reef Buffer 4kg
    code: 679 Available (Usually delivered in 4 days)

Product Information

Seachem Reef Buffer is intended for use with a reef aquarium to act as a buffer, specifically when maintenance of a pH level of 8.3 is difficult to maintain, without risking accidental overdose.

This product will also raise carbonate alkilinity and unlike others on the market, is a blended product that is not simply sodium carbonate.

Reef Buffer is available in 50g to 4kg sizes for all applications.

Key Features:

  • Raises carbonate alkilinity
  • Blended product - not just sodium carbonate
  • For use as a buffer in a system where a pH above 8.3 is required


  • 50g treats 1819 litres / 400 gallons
  • 250g treats 9093 litres / 2000 gallons
  • 500g treats 1819 litres / 4000 gallons
  • 1kg treats 36369 litres / 8000 gallons
  • 4kg treats 145475 litres / 32000 gallons

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