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No water changes
magnesium often is depleted from reef aquariums as calcification incorporates it into calcium carbonate skeletons and precipitates
The pods may float when first added
Long Lasting Formula for Fish that like to Suck Hard Wood
allowing for better dispersal of heated water through the aquarium
CaribSea Super Naturals Midnight River 5lb Substrate No water changesMidnight 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.
