Seachem Flourite Black Sand Size:3.5kg Only the Osmolator® is able

Only the Osmolator® is able to provide you with the necessary security and reliability

Whereas medical research has termed the positive ion the ""suicide"" or ""unhappy"" ion

Check calcium every 2 weeks and adjust amount or frequency accordingly

* Quick disconnect valves for Eheim aquarium canister filters

Our tests in several tanks with a known potassium deficiency have shown the benefits within days of dosing

Seachem Flourite Black Sand Size:3.5kg Only the Osmolator® is ableFlourite 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 and will not