when you mentioned the word SPS you nailed it.
ATI all the way, T5 hands down for SPS colour. Everyone running this fixture only does bulb changes once a year.
LED is great for some applications … but not for SPS in my opinion. A lot of people will vote for LED because that's what they have, even with no knowledge of using T5 before. They just really like their LED's (LED Guys are a cult lol pushing their low energy kool-aid on the rest of us haha) and need to convince themselves they are the best lol … sorry LED guys.
But I can offer you experience from someone who started with LED on his SPS tank, and has now switched to an ATI Sunpower 8x54 and has noticed marvellous colour shifts and increased growth.
I actually used to be a halide guy, and shot down T5 (with no real experience other than what I read, due to these bulb changes) … but after having used this fixture, with this bulb combination I wouldn't change right now if you donated 4 Radions to me, or 4 Mitras.
And cost … meh, (8) 4 foot bulbs are $200 a year shipped to my door. (6) 3 foot bulbs is prob closer to $110 for you.
What is $110 a year in a reef tank … with what we spend on everything else
Cut 10 frags with your excess growth you wouldn't see with LED and offset the cost muahahaha
P.S … let the floodgates open for the flaming I'm about to take from the LED guys hahahaha
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