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Old 07/17/2019, 09:20 PM   #2
HumbleFish
Dr. Fish
 
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Join Date: Feb 2013
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^^ Just wanted to point out that there's no reason why 45 mins in formalin couldn't be used in lieu of H2O2: Formalin (use the bath treatment dosage)


45 minutes in formalin has the same killing effect on surface parasites/worms, and you can continue to run filtration/pumps with it in the water. However, it must be proper formalin (37% formaldehyde) for consistency. The main drawback to using formalin is it is a known carcinogen.


Everything stays the same as above, just do a 45 min formalin bath instead of a 30 min H2O2 bath prior to transferring. (I know many hobbyists already doing this with success.)


Further reading on using formalin to control fish parasites: http://fisheries.tamu.edu/files/2013...-Parasites.pdf


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