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ph
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Salifert pH Profi Test Kit
£9.99Add to basketThe pH value can have a major impact on the growth of corals and calcareous algae and on many biological processes. 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. If the pH is too low then the cause …