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Old 01-05-2012, 11:18 AM   #11
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Originally Posted by Tmyboy
what's the wattage on the MH? lighting cycle time?

Why did you stop adding the calcium to being with?

Those types of things (CA Levels) need to remain consistent, so don't start and stop like that. I check my CA every other day, but I'm a little obsessive.
I don't know the wattage of the bulb. That's something that I will have to check out when I get home. My lamp turns on at 11:00am and turns off at 9:00pm. The reason why I stopped was because I was trying to kill the red slime. In my opinion, adding nutrients to a talk full of red slime and other algae didn't make any sense. I knew when I stopped dosing the tank, that there would be repreccussions for stopping. It's not a matter of life and death, but just a setback. Hopefully, by the beginning of March, I should see some improvement.

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Old 01-06-2012, 09:27 AM   #12
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Most dosing instructions are to maintain lvls in the tank. If your trying to boost the calcium I would add a little more then it says. Just have to do it really slowly. OR ELSE. Lol

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Old 01-13-2012, 09:39 AM   #13
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tchampion here are some other factors to consider when trying to grow coralline algae.
Test your magnesium level. A low magnesium level of 1000ppm or less will make it impossible to get a calcium level over 350ppm. Magnesium helps balance your calcium and alkalinity. Natural seawater is around 1250ppm.

If you are using a phosphate test kit that is not a digital and just a color reagent then the reading maybe higher than the chart looks. General rule on basic color test is if you see color your levels are to high. Phosphate starts to impede calcification at .2 ppm. A level over .15 ppm is considered the high side for coral keeping.

Water temps that are stable. Less than 2 deg swing in 24 hrs.

Other factor such as light suggested below and water flow can be addressed after the chemistry is up to par.

For advanced high growth go with
Magnesium 1350-1500ppm
Alkalinity 3.5 -4.5meg/L (10-13dkh)
Strontium up to 20ppm
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Old 01-13-2012, 10:06 AM   #14
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First, coralline algae needs to be introduced. It will never grow if it's not present to start with. That's not necessarily for you, but for whoever is reading.
Second, coralline is not a high light algae. How long has the halide lamp been over it? From the beginning? It can easily be killed off with powerful lighting.
All you need to grow coralline is a 15 watt curly Q energy saver bulb.
third, i agree with the above about being able to grow coralline under lower calcium levels. Alkalinity is another factor. Alk swings can kill it off too.
I would just do weekly water changes (this will help with the cyano too) and not add anything. it will grow back in it's time.

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