could old radiums cause green?


Premium Member
I don't know if it would cause your corals to turn green, but it probably wouldn't hurt to change it out if it is a year and half old

Elan L.

New member
if your blues are turning green then it could be p04. When mine is high my blue mili frags go green for a while.

jus chillin

New member
thanks guy.. i have just swithched to the phoenix 14k se.. just out at marine depot.. so far so good.. ora red planet went very green along with my aquarium city red...and now green is fading away to a nice white....


You'll never walk alone
Premium Member
Possibly, but whats more important is what are your nutrients like? How you tested them over a two week period to see what they are?

Bulbs will lose coloration over time and the blue spectrum in the first to go.