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gweston · 03/09/2011, 10:51 AM

Entirely depends on the frags you want, and growth rate.

I'd think a single 175w halide pendant with a 10k or 14k bulb would do quite well. A 150 halide may even do. Maybe a switchable 150/175/250/HQI ballast you can tune based on need?

If you want T5, maybe 6x T5 sounds like plenty. Either should be sufficient for higher light loving critters. If you are looking for softy corals then that could be trimmed back. 4x T5's? Again, you can focus on T5 bulbs that have good PAR.

I am putting together a small 20L (shallow depth) frag tank. I am only going to have 2x T5's over it initially. I am not into SPS fragging (yet)... mostly going to have softies. If I get into SPS frags down the line, I'll add a few more T5's or go halide.

03/09/2011, 10:51 AM	#2
gweston Registered Member Join Date: Jan 2010 Location: Gardner, MA Posts: 961	Entirely depends on the frags you want, and growth rate. I'd think a single 175w halide pendant with a 10k or 14k bulb would do quite well. A 150 halide may even do. Maybe a switchable 150/175/250/HQI ballast you can tune based on need? If you want T5, maybe 6x T5 sounds like plenty. Either should be sufficient for higher light loving critters. If you are looking for softy corals then that could be trimmed back. 4x T5's? Again, you can focus on T5 bulbs that have good PAR. I am putting together a small 20L (shallow depth) frag tank. I am only going to have 2x T5's over it initially. I am not into SPS fragging (yet)... mostly going to have softies. If I get into SPS frags down the line, I'll add a few more T5's or go halide.