Seachem Flourite Black Sand 3.5kg Canister Filter Now unlock the true potential

Now unlock the true potential of this system with nothing more than an app on your smart device

A high pH level (alkaline) of the substrate causes difficulties for aquatic plants in consuming nutrients

For example to raise 20 gallons to 0

use as required to maintain magnesium

It is preferred that the two products be added to separate locations in the tank

Seachem Flourite Black Sand 3.5kg Canister Filter Now unlock the true potentialDescription Flourite Black Sand is a specially fracted stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any freshwater aquarium environment. Flourite Black Sand is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels. Gravel modifiers such as laterite are not necessary. Flourite Black Sand is not chemically coated or treated