Seachem Onyx Sand Freshwater Substrate - 7.7lb Ecotech Marine Match rack placement to coral

Match rack placement to coral type

and aquascape detail show more cleanly

Features of the AquaZen Nano Corner Filter

Best use: Tough algae removal from glass aquariums

narrower aquariums

Seachem Onyx Sand Freshwater Substrate - 7.7lb Ecotech Marine Match rack placement to coralOnyx Sand is a porous clay gravel for the natural planted aquarium. Being carbonate rich, Onyx Sand provides an advantage to any plants able to utilize bicarbonates. Onyx 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. Onyx Sand is not chemically coated or treated and will not alter the pH of the water. Although pre washed, it may be