sorry phurst. and thanks again for all the info. i have 2
vho 220 watt lights and 4 60 watt all 46.5 inches. i have some coral and clams and they seem to be doing fine but there seems to be a lot of algae growth all of a sudden. i haven't changed anything, feeding is the same, cleaning is the same, nothing new has been added. my friend suggested i need new lights. i wanted to find out more for myself and ask some questions. and i think the
vho are 10000k the other ones i can't remember.
