Caribsea bulk sand are bags of sand that have been damaged in transport, or have been re-packaged. This is the exact same sand as the regular caribsea, just not in pretty packaging. Limited quantities available.
It's the only crushed coral with aragonite, which provides up to 25 times the buffering power of other crushed corals, dolomite, or oyster shell.
Eliminate chronic pH problems and provide maximum surface bacteria. Caribsea's Florida Crushed Coral with aragonite allows an increase in bioload by up to 50% and it never needs replacement!
Approximately 2-5mm diameter grain size.
This product is also able to be utilized in calcium reactors and plenum systems to deliver not only calcium, but also carbonate buffer, and essential trace elements such as strontium (up to 10,000ppm!).
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