SEACHEM - Onyx Sand 3.5kg - Complete soil for planted aquarium

Thanks to its high content of carbonates, Onyx Sand™ offers all kinds of plants the advantage of being able to use bicarbonates Although it was originally designed for plant aquariums, it can be used in any type of environment. aquarium. Onyx Sand™ is most effective when used alone as an integral substrate layer, but can be mixed with other types of gravel. The use of gravel modifiers of the laterite type is not necessary. Onyx Sand™ is not coated or chemically treated, but has a slight buffering capacity that can cause a pH increase of 0.1 to 0.5 pH units (depending on the characteristics of the water source ). Onyx Sand™ is beneficial to the life of the aquarium and does not need to be replaced.

To determine the number of bags required for your aquarium, please note that each bag (3.5 kg, 7.7 lbs) occupies a volume of approximately 2.125 cm3 (130 cu. in.). To determine the desired volume, multiply the width of the tank by the length, then by the desired depth. This bag is sufficient for approximately 2 cm deep bottom in a 40 L (10 US gallon) tank.

DIRECTIONS FOR USE: Although it has been washed beforehand, since Onyx Sand™ is a natural product, it may become dusty during transport and require rinsing before use, in order to remove any dust residue.

Mineral Composition

Units=mg/kg, source: Plasma Emission Spectrometer, EPA Method 6010, Univ. of Georgia Chemical Analysis Lab