Salifert KH & pH Buffer Addit 1000 ml
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The About KH + pH Buffer is a highly concentrated, fast dissolving powder which increases alkalinity (carbonate hardness) and stabilizes the pH at the correct value. In these ways it contributes significantly to the health of all aquarium inhabitants including corals, coralline algae and fish. You will find Corals need high KH levels in an aquarium so its strongly advised to keep a close eye on the reading using a Salifert KH & PH Test Kit.
Within 24 hours it will acquire the pH corresponding to other aquarium parameters. Should the pH remain low within 24 hours of corrective measures then an insufficient gaseous exchange (inefficient aeration) is quite often the cause.
Depending on the package either a measuring beaker (gradation marks at 10 and 20 ml) or a scoop is included (7 level scoops = 10 ml). Add it in high flow area or pre-dissolve it in some freshwater (4 fl. oz. of water for each 10 ml of powder). Every 10 ml powder per 25 gallons will approximately increase the alkalinity by 1.2 meq/L.
This corresponds to an increase in carbonate hardness by 3.3 German Carbonate Hardness (dKH).
To keep your corals and beautiful encrusting algae in good health you should maintain an alkalinity of approx. 2.8 - 3.2 meq/L or 7.8 - 9 dKH expressed in German carbonate hardness value. The Salifert KH/Alk Profi-Test allows you to measure in 0.1 meq/L increments.