Sorry, been away from SD for the last week or so and just saw this today. I did not have a heavy outbreak in the tank so I didn't need to dose that heavily or for long periods. I lowered the tank to 84 and dosed at lights out. Kept the tank dark the following day and that next evening did a like a 75% w/c and added carbon to get rid of any remaining meds. Waited until the evening of the 4th day and repeated the dose. I've seen no more flicking or clamped gills since then. I did follow the amount on the bottle exactly as far as dosage per gallon goes. The med is diminished when exposed to light so keep the tank dark.
I never drink water because of the disgusting things that fish do in it.. - W. C. Fields
Joan R