02-28-2008, 06:49 AM
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Originally Posted by scubaslimes
many thanks for you speady response. Your answer explains my rescent water test at my LFS, that came up with a low cacium level. At present it's not a major problem as i dont have any hard corals but do plan to in the near future. Should i try to remove the algae or just add a calcium supplement.
You're very welcome. As for the removal or suppliment, that is going to be a personal preference. It is very unlikely that you will be able to manually remove the algaes, but there are fishes available to the hobbyist who will consume it and keep it in check for you. Although you may not have stony corals in your tank at present, you will want to keep your calcium levels up for others as well. Soft corals still require calcium in the tank, as does Coraline Algae. Keeping your calcium levels at a proper level (450-500) will encourage the growth of Coraline. The Coraline also feeds off of the nitrates and phosphates in the water. by encouraging coreline growth, you are in turn inhibiting the growth of the less desirable algaes and cyanobacterias.