FishForums.com - View Single Post - Acceptable nitrate levels after fishless cycle?

DavidDoyle · 12-12-2005, 02:56 PM

Do a 75% wc. Ideally get them down to 20ppm. 80 ppm is not toxic for most fish imo- not healthy for them but not toxic the way ammonia or nitrites are in even low concentrations.

12-12-2005, 02:56 PM	#4
DavidDoyle Senior Member Join Date: Jan 2005 Age: 89 Posts: 497	Do a 75% wc. Ideally get them down to 20ppm. 80 ppm is not toxic for most fish imo- not healthy for them but not toxic the way ammonia or nitrites are in even low concentrations.