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HumbleFish · 07/17/2019, 08:20 PM

^^ 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

07/17/2019, 08:20 PM	#2
HumbleFish Moved On Join Date: Feb 2013 Posts: 4,757	^^ 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