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and with added spored bacteria
it is several dB quieter
There are zero preservatives or attractants
there is no need to thaw or rinse before feeding and no need to throw away left over thawed feed
The activated carbons filter particulates and waste while the ion exchange resins help remove nitrogen (ammonia and nitrate) build up which is harmful to your fish
CaribSea LifeRock Large Arch 18" and with added spored bacteriaLifeRock Large Arches add open dimension to large marine and reef aquariums with plenty of swim space and area for coral placement. Each Large Arch is 18 inches long and weighs approximately 20 pounds. One arch per box *please do note dimensions and weights varies as these are hand made products. Life Rock is real aragonitic base rock, not cement, no curing. Extensive macro and micro porosity infused with spored bacteria for outstanding biological
