Seachem Flourite Dark Weight:3.6 kg you find that it is

you find that it is turning the water yellow

located on the side

Allows easy monitoring of amount eaten

Double-stitched nylon filter bags for use with any type of granular filter media

Seachem Flourite Dark Weight:3.6 kg you find that it isSeachem Flourite Dark is a substrate of the highest quality. Composed of specially fracted stable porous clay gravel designed specifically for use in natural planted aquariums. The mineral rich gravel is an attractive deep chocolate brown colour that is not chemically treated or coated and will not alter the delicate pH balances within the tank. The gravel is most effective when used on its own, but it may also be mixed with other types of substrates