Sera pH Test Kit

The pH value can have a major impact on the growth of corals and calcareous algae and on many biological processes.

If the pH is too low then the cause may be a too low alkalinity and/or a build up of carbon dioxide caused by insufficient aeration. A low pH can be corrected by improving aeration and by increasing the alkalinity to NSW (Natural seawater) value or up to approx 25% above NSW levels.

The pH should not be allowed to fluctuate more than approx. 0.3 units during 24 hours and should preferably be kept between 8.0 and 8.2.

  • 120 Tests


  • 15ml dropper bottle
  • 20ml Measurement Vial
  • Directions for use
  • Colour Chart

Sera pH Test Kit


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