Give it enough flow to lift and sway the polyps, too much and it will open less. IME
, they like med to high light. I don't know if the FW
will bother it, I'm inclined to say yes, simply because they are not nuts about ph
swings, which you would see small local ph
swings due to the small introductions of FW
. It probably is inconsequential, but it's something to consider.