Jammos Posted November 7, 2006 Report Share Posted November 7, 2006 Hi i have a 4 fott tank i am looking at setting up and have 2 four foot T5 fluros ready to go but how many metal halides & what size would i need ready for a reef tank?? the tank is 45cm deep. And how high are the needed to be from the water?(I head 20cm?) Also where does everyone buy their halides from? as in shops they are highly priced! Sorry about such a common query but search function doesn't help too well. cheers Quote Link to comment Share on other sites More sharing options...
wasp Posted November 7, 2006 Report Share Posted November 7, 2006 2 x 150 or 250 watt halides will be the most common set up for a 4 foot. If you are primarily planning to keep sps corals go 250 watt, or 150 if it is mainly lps & softies. Although you may get away with 150 watt for sps also. 20 cm and up to 30 cm off the water is fairly common. Also there is a ton of halides for sale on Trade Me, or at least there was when I was trying to sell mine! Quote Link to comment Share on other sites More sharing options...
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