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How much light is needed for live rock in a 40 gallon?
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frosstman
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Joined: 15 Feb 2003
Location: Nova Scotia, Canada

PostPosted: 2003.08.02(Sat)7:00    Post subject: How much light is needed for live rock in a 40 gallon? Reply with quote

Hi, I am starting a 40 gallon marine tank. I only have the standard hood that came with it with a 20 watt bulb. Is this enough for live rock? How many fish could I keep in this tank with just a hang-on-the back filtration and no protein skimmer? Thanks.
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SLACkra
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Joined: 06 Feb 2003
Location: Melbourne, Victoria, Australia

PostPosted: 2003.08.02(Sat)12:41    Post subject: Reply with quote

first of all thats not a lot of lighting. I have a 32g with 60watts of lighting and the live rock has nice algae that grows on it. for fish the basic rule of thumb for begginers is 1inch of fish per 5g. for the experienced its 1 inch of fish per 3g
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32g planted community
7.5g Nano Reef
1 four legged wonder napper
2 winged demons
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karlas
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Joined: 07 Feb 2003

PostPosted: 2003.08.12(Tue)9:20    Post subject: Reply with quote

Actually if you stay with the lr and fish only the regular lighting would be fine. Its when you get into the corals that the lighting need increased a lot. As far as live rock it doesn't affect corraline growth just the color of it. In brighter light you get your pinks and purples in lower light you can get blues, greens, yellows and so on. But stay fo and there will be no problem.

I would say 3-4 small fish for your tank but no more.
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