Fluorite Black SandTM is a special clay, porous and in the form of scales, excellent as a natural substrate for aquarium with plants.
Size: 3.5 and 7 kg.
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This bottom can also be used as normal substrate in any freshwater aquarium. Fluorite Black SandTM can be mixed with other funds, but it is more effective if used alone. There is no need for additions such as bricks or other competing products. Fluorite BlackTM must never be replaced, remains effective throughout the aquarium life, is not chemically treated and does not alter water PH.
Although pre-washed, it is preferable to rinse it before using it to eliminate residues. An initial opalescence is normal and will disappear quickly (2-12 hours). To decrease the opalescent use ClarityTM in combination with a mechanical filter (glass wool).
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