Elliott89 New member Oct 13, 2012 #1 Hi There How high above the water should i have 2 par38 LEDs over a 22 gallon tank to avoid bleaching or upsetting SPS corals??? Many thanks Elliott
Hi There How high above the water should i have 2 par38 LEDs over a 22 gallon tank to avoid bleaching or upsetting SPS corals??? Many thanks Elliott
tommer725 The boy who cried fish Oct 14, 2012 #2 they could be 4 to 8 to 10 inches. how much power do they have?
