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Old 01/17/2016, 12:54 PM   #35
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Join Date: Jan 2015
Location: Fremont, CA
Posts: 9,555
Originally Posted by mitchrapp View Post
I see. You are not aerating the formalin dip for 1-2 hours prior to dipping the fish. I read that recommendation in more than one place, but the one that comes to mind is Steven Pro and Mark Callahan's No Nonsense Guide to Fish Disease and Quarantine.
There are a couple of reasons why I don't do it:
  1. it seems unnecessary as so far none of the fish I treated showed any problems. Though most of my fish are small (below 4 in) and there might be a difference with larger fish.
  2. it is not very practical and stresses fish unduly since they would have to sit for hours in a small container until the bath is ready.
  3. if you oxidize the formalin for two hours, will it still be effective?

Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio
3 P. diacanthus. 2 C. starcki

Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +...
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