Hello, new guy here...

[mikearoni]

hey yall, I just wanted to inroduce myself to the forum. I am in miami and I am building m first reef tank. I have maintained a 40g freshwater for 4 years and I will be starting off reefkeeping with another 40g. Just got one question for you guys, what type of lighting is good for healthy growth on a 40g? The dimensions are 36x12x21. I plan to keep a mixed reef if thats possible. I was thinking about 2 175 14k MH and 2 T5 actinincs. Is this ok? Some of my friends say that is too much and will char the corals. Any suggestions for lighting? Thanks. This forum is awesome, wish I found it earlier.

[Carlos]

That should be fine.

Carlos

[kkyyllee]

lighting sounds good

[INCEPTION7]

If your tank is indeed 21" tall (or more) then halides are a good way to go. With that much light (I know because I had 2x175 MH on a 40) you will most likely need a chiller or a heck of a set of fans.

[mdspsman]

Recommend 250 DE or 400SE.. If you will go with MH. 175 is not enough for sps..

[aquarius77]

<a href=showthread.php?s=&postid=10429996#post10429996 target=_blank>Originally posted</a> by mdspsman
Recommend 250 DE or 400SE.. If you will go with MH. 175 is not enough for sps..

You should tell that to the SPS in my 30 breder with 2 x 175 MHs, i cant stop them from growing and im always pruning.

[NanoGurl]

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[INCEPTION7]

Sps is such a broad term that you really can't say ALL sps wouldn't work with 175's. Monti's among others wouldn't be difficult with that amount of lighting.