I have the Tek-T5 6 bulb on my 95G. The 54w bulbs kick out plenty of light. I only have about 4 SPS but they have thrived in the 2-3 months they have been in there, so im assuming they are doing ok. The only thing that I prefer when i look at tanks with halides is the natural shadowing they produce. The T5 give a kind of "sterile" uniform light to the tank. JMO
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95G AGA Wave| 120# Carib-sea Aragonite |100# Fiji live rock| euro-reef 80 Skimmer | Megalflow 3 sump | 6 bulb Tek-light T5 HO
250G AFY | 150G sump | 100G fuge | 35G frag | Reeflo ORCA 250 | 3x250w Halides | t5 actinics | Oceans motion custom "2way-4way" | 
