confused

[reefndude]

Some people have done that and have seen improvement in their sps

 

[cwb_reeftank]

I had two ati bulbs but I need new ones but right now I don't have any on mine new lights

 

[cwb_reeftank]

how long would I shut it off?

 

[reefndude]

Long enough to see change. Maybe your tank is too clean. I can't remember if you use gfo or not.
If you do try pulling that out first

 

[cwb_reeftank]

I use vodka instead should I stop using that for a little bit?

 

[cwb_reeftank]

I also use carbon