Seachem Flourite 3.5kg Heavy Fluval U3 Underwater Internal Filter

Fluval U3 Underwater Internal Filter

3 dKH (Alk

Prevents nuisance algae and enables control of zooxanthellae for optimum coral growth and coloration

this will not harm your corals or invertebrates

Reef Builder™ raises carbonate alkalinity without immediately impacting on pH

Seachem Flourite 3.5kg Heavy Fluval U3 Underwater Internal FilterDescription Flourite 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 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 is not chemically coated or treated and will not alter the pH of the