Ran some Par meter reading on a couple of friends tanks and realized their Par readings were way lower than what I see on most tanks running LEDs and MH with MH ballasts and reflectors made for aquarium use. First tank (Youssef Tank) runs with 5 150 W MH in regular outdoors MH reflectors and ballasts and 3 lines of T5 for supplementation. Tank is 200x55x70 cm (80x22x28") Par reading was 300 just under water surface and most corals on top getting around 200 on the top. Sps on mid ...
Updated 11-15-2011 at 09:08 PM by maroun.c
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