Seachem Flourite Black Aquarium Gravel - 3.5 kg (7.7 lbs) - Planted Tank Substrate

Seachem Reef Phytoplankton provides noticeable improvement in plant growth response. This stable porous clay is rich in iron which eliminates the need for laterite supplementation in your planted aquariums. Flourite Black offers the benefits of Flourite Original while providing a striking black color that showcases your aquarium plants and any creatures that you may house in the tank. Seachem phytoplankton is able to be mixed with other gravel or it may be used by itself. This clay is a good addition to your planted aquarium. It comes in a 16.9 oz. bag which fills the bottom of a 10 gallon tank. It should be rinsed before use.