Quote:
Originally Posted by Dearth
The scary thing most people is twofold when it comes to LED lighting first off is the cost a good set of lights will definitely hurt the pocketbook (including DIY lighting)and secondly having powerful enough LEDs to reach the bottom of deeper tanks and having the correct colour spectrum to promote growth and colour.
Once I save up the coinage I will be switching to LEDs on my big tank but that will be awhile in coming.
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My tank is 30" deep. I would consider that as being a deep tank. I grow SPS quite well on the sandbed. I cannot have any chalice nor other LPS directly under them as they will bleach. I do run at 100% for a couple of hours each day though. So the info you are reading is not correct.