Caribsea Florida Crushed Coral 15lb You can remove the hardened

You can remove the hardened shell a few days later

RK2 Systems

Easily removable lids to make refills a breeze

Aiptasia anemones can kill your corals and even small fish

75 15 12 18W 24x1x1

Caribsea Florida Crushed Coral 15lb You can remove the hardenedThe only crushed coral with aragonite, which provides up to 25 times the buffering power of other crushed corals, dolomite, or oyster shell. Will eliminate chronic pH problems and provide maximum surface area for water purifying bacteria. Allows an increase in bioload by up to 50% and it will never need to be replaced. Can be used with calcium, but also carbonate buffer and essential trace elements such as strontium (up to 10,000 ppm). Mixed Grade.