Seachem Onyx Sand - Onyx

Name: Seachem Onyx Sand - Onyx
Brand: Seachem
SKU: wg5s4qbnva
Availability: InStock

Onyx Sand is a natural dark gray sand designed for the planted aquarium. It is very rich in magnes...

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Seachem Onyx Sand Aquarium Fish Tank Plant Substrate

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Onyx Sand is a natural dark gray sand designed for the planted aquarium. It is very rich in magnesium, provides iron and other minerals, but above all supports optimal KH levels. Thanks to its high carbonate content, Onyx Sand offers all kinds of plants the advantage of being able to use bicarbonates for their growth. Onyx Sand has a slight buffering capacity, and can slightly raise pH levels. It is a very porous sol, which does not clog and is long-lasting. This product is easy to use, adds great value, and is manufactured in the United States.