CaribSea Super Naturals Midnight River 5lb Substrate magnesium often is depleted from

magnesium often is depleted from reef aquariums as calcification incorporates it into calcium carbonate skeletons and precipitates

Our Super Firm

Long Lasting Formula for Fish that like to Suck Hard Wood

Up to 110G

Stinging Nettles

CaribSea Super Naturals Midnight River 5lb Substrate magnesium often is depleted fromMidnight River is a dramatic all natural black substrate with a grain size in the coarse sand fine gravel range (1 5 mm). The grain size and smoothness of Midnight River make it ideal for not only planted aquaria, but bottom dwelling fish such as corys and loaches. And as all the Super Natural Aquascapes substrates, Midnight River comes with a free bacteria packet perfectly dosed for corresponding aquarium size.