Seachem Gray Coast Gravel FishWCType_Ammonia Removers Available Size: 500 ml

Available Size: 500 ml

Available in assorted colours

Suitable for aquariums from 130 to 240 L (36 to 65 US gal)

even plants produce nitrogenous waste

Seachem Gray Coast Gravel FishWCType_Ammonia Removers Available Size: 500 mlGray Coast Calcite is an all natural calcite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines. Simply rinse before use to remove any residual dust. Unlike competing wet gravels, Gray Coast is sold dry: this bag contains 35% more gravel than a bag of wet gravel of equal weight. These wet gravels are marketed to give one the