Flourite Black Sand by Seachem is a specially fracted stable porous clay gravel. It is best suited for the natural planted aquarium, but may be used in any freshwater aquarium environment. Flourite Bl ... Read more
Flourite Black Sand by Seachem is a specially fracted stable porous clay gravel. It is best suited for the natural planted aquarium, 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 alter the pH of the water. Black Sand is good for the life of the aquarium and need not be replaced. To determine the number of bags required for your aquarium, please note that each bag (7 kg, 15.4 lbs) occupies a volume of approximately 5,500 cm3 (320 cu. in.). To determine your desired volume multiply tank width by length by desired depth.
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