Seachem Flourite Black 15.4 lbs LED If adding manually

If adding manually

Plastic: Safe for use on glass and acrylic

consume sludge

as different types of fish require different pH levels for their habitats

Seachem Flourite Black 15.4 lbs LED If adding manuallyPremium natural gravel for the planted aquarium. Good for the life of the aquarium. Overview: Flourite Black 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 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