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Salifert KH/Alkalinity Test Kit

Price:
$19.50
SKU:
706
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Product Description

Alkalinity is a critical chemical test for marine aquarists.  Corals utilize bicarbonate in the water to form carbonate used to build their calcium carbonate skeletons. Alkalinity is also critical in stabilizing pH (a.k.a. "buffering") within the acceptable range of 8.1 to 8.4.

The total carbonate and bicarbonate concentration is referred to as carbonate alkalinity or carbonate hardness. The only difference between alkalinity and carbonate hardness is a conversion factor.

Natural seawater has an alkalinity of approximately 2.7 meq/L or, when expressed as carbonate hardness, 7.5 dKH.

Stable marine systems maintain alkalinity or carbonate hardness similar to, or slightly higher than, natural seawater, with alkalinity not fluctuating by more than 5% (a maximum fluctuation of 0.14 meq/L or 0.4 dKH). The recommended alkalinity level in marine systems is 2.5 to 4.0 meq/L (7-11 dKH).

The Salifert KH/Alk test is very straightforward. It measures in sufficiently small increments of 0.1 meq/L or 0.3 dKH.  The user will notice a sharp color change in the test fluid which indicates the alkalinity level. The kit can perform approximately 100 to 200 alkalinity tests.

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