heat and lighting question

[2revup]

guys what gets hotter VHO or Metal halides?

reason i ask is because i have a all on one system it currently has 3 lighting fixtures to suit std flouecent (spelling) which has 1 Actinic Blue, 1 50/50, 1 white However as you could imagine its not enough, all though the heat is minimal which is great.

another question now
should I just add another 2 std Fluorescent, blue and white, whould this be substancial? or should i bite the bullet and get VHO's? Metal halides i think may be to hard to creat into my fixture, but if they run alot lesser temprature i will have to find a way i suppose.

by the way the tank is reef.

[bencozzy]

flourescents are diffused so the heats less concentrated in one area like matal halides both get pretty hot.

what size tank? what types of corals you plan on keeping?

[2revup]

tank size 75g
corals I am undecied i recently found a website that shw the corals low light and med - high etc so still a little undecided. Ultimately i want to walk into a shop and say yup i like that, and then buy.
but realty is that is not the case. :(

MH would be the best lighting im sure but being that i have a slim canopy that is metal MH will be awfully hard to customise into it. where as i could prolly get another 2 Fluorescent or 2 VHO's but i am still worried that the VHO's will heat the syetem up to much!

[bencozzy]

just go with 4 vhos that will allow you to keep most corals.

the icecap 660 is a good ballast.

and if your worried then just make a new canopy isnt that hard to do.

[2revup]

just go with 4 vhos that will allow you to keep most corals.

thankyou great help. I might look at making a new one!

also can you direct me to where i can find the icecap 660?
thanks in advanced

[bencozzy]

http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=3872&N=2004+113351

they have them and if you look on ebay im sure you could probably find one cheaper.