TropTrea
New member
At the moment I have cheap bulbs (it has a white look):
current usa 12000k
current usa 420nm
current usa 460nm
uvl 10000k(pink tint, dont like)
I want to go with 4 ATI bulbs: aquablue special, 2 blue plus and a purple plus. I have all LPS and softies
Will the difference in PAR have any ill effects(burning) if I change all 4 at once?
I currently change 2 every 6 months to keep fresh bulbs in most the time, is that a good idea?
I have an 8 bulb fixture and change bulbs 2 at a time every 3 months. This puts a max of 12 any bulbs right about the time they start decayng rapidly. Snce changing out just two of the bulbs in your set up will be a fairly drastic change I see no reason why you cannot do it either way. If you do a 50% change I'd change out the 420 current and the uvl 100,000K first for a purple plus and a blue plus. But if you want to change them all just remember to change them again in a year or less.