can anybody please I.D these green growths on my live rock - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 4 Old 02-26-2008, 08:56 PM Thread Starter
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can anybody please I.D these green growths on my live rock

These little green fellows started to appear about 2 weeks ago and at my last count I had 20, plus more appearing daily. The biggest ones are at about 10mm but getting bigger by the day. They react well to light as in the mornings after have no light they are half white and green but after an hour of have light they turn back to their bright green colour.
Many thanks
Simon
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post #2 of 4 Old 02-27-2008, 05:02 AM
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Neomeris annulata. It is a Macro Algae that feeds on the calcium in your tank. If this continues to thrive in your tank, make sure its growth is not adversely affecting your calcium levels.

Take pride in what you do, for it is a reflection of who you are.


The Haunting Grounds - SKAustin's Reef Diary - Part 2 (the 75g upgrade)
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post #3 of 4 Old 02-27-2008, 02:26 PM Thread Starter
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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.
Many thanks
Simon
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post #4 of 4 Old 02-28-2008, 05:49 AM
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Quote:
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.
Many thanks
Simon
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.

Take pride in what you do, for it is a reflection of who you are.


The Haunting Grounds - SKAustin's Reef Diary - Part 2 (the 75g upgrade)
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