Thought I'd share with you my results from my tanks PAR results from last week.
Using metal halide/t5 combo with Radium 250w 20k bulbs. Bulbs are about 3 months old and are 12 inches off water. I was pretty impressed! 530 was the highest reading
Using metal halide/t5 combo with Radium 250w 20k bulbs. Bulbs are about 3 months old and are 12 inches off water. I was pretty impressed! 530 was the highest reading


