Originally Posted by Radiolotek
Tank has been running for 2 years and no I haven't changed bulbs. I need to though. Its way over due. I have not checked calcium levels. You think that would be a good idea to do tomorrow? I can't think of anything that would be causing it. The light hasn't changed positions and the water levels are good. The only thing I can think of would be the hermit crabs and snails I have added recently. Other than the calcium thing. Any good ideas? It was growing soo good I don't want it to die off now.
Alkalinity, calcium and magesium all need to be in a good relative relationship for coraline to grow and spread..I believe calcium is most important, but the other 2 are related to how organisms will absorb the calcium.
If you plan on a reef tank, you must learn this relationship to be successful.