PDA

View Full Version : Question for LEDs guru


MSHUR
02/24/2016, 07:58 PM
Looking to place an order for Reef brights strips but would like to order mix of UV (395nm) and blue ( 450nm) as a special order. My question what ratio should i order, 4-1 or 4-2? i know UV Led would very dim but hopefully beneficial to corals..