Tropical Fish Keeping - Aquarium fish care and resources

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Justina 05-14-2010 12:00 PM

74 Watts enough for coral?
29 gallon bio cube tank. 74 watts of light.

Is that enough for some coral??

wake49 05-14-2010 02:32 PM

Can you post the direct dimensions of the tank? What kind of lights are they, compact fluorescents, T5HO's or Metal Halides?

I would think that 74 watts would be sufficent to grow a variety of corals. What kind of corals are you thinking?

Justina 05-14-2010 05:35 PM

The lights are two 10,000K daylight 36 watt 16" compact fluorescent, and two actinic bluelight 36 watt 16" compact fluorescent.

Dimensions: 15.5in x 16.7in x 44.5in

As for the corals, I just want some color really. I am not too picky. Anemone would be cool.

If you could list off some coral you think would be ok in this tank please do. That would help me out a lot!

Thanks for your help.

outpost 05-16-2010 01:36 AM

With the stock lighting on it you could keep any kind of soft coral like green star polyps, Kenya tree, mushrooms, finger leather any type of zoanthid to name a few. You could also keep LPS and SPS up at the top of your tank. For SPS you need to have good water quality and you calcium should be around 450ppm and alkalinity between 8 and 10 I'm pretty sure. You might want to double check that though. Also a skimmer might be a good idea for sps depending on how many fish you have and how big/often your WCs are. But for the soft coral just toss them in the tank and let them grow.
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Justina 05-17-2010 09:56 PM

Thanks for the help.

I am sitting the tank up tomorrow night.

20 pounds of live rock and 10 pounds of dry rock.

wake49 05-18-2010 09:04 AM

I do want to interject here that Water Changes alone are not the key to a healthy marine tank. Water changes remove the end result of the breakdown of Dissolved Organic Compounds (DOC) in your system. You need something to remove them before that breakdown. That is why having a skimmer on your system is so important. This method removes DOCs before they breakdown. The accumulation and breakdown of DOCs in your system will have a direct effect on your Alkalinity. Climbing DOCs will deteriorate your Alkalinity as it tries to steady your pH, instead of helping corals calcify via calcium bicarbonates.

The way around a skimmer is using activated carbon. Use it in a spot that has good water flow. Put the AC in a bag and let the water flow through it. Rinse it every few days to avoid accumulation of larger particulates. Replace it about once a month.

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