bob965 Feeder Fish MFK Member Sep 16, 2009 1,043 2 0 MI Jan 12, 2010 #11 Check out this link, it may be what you're looking for. http://www.theaquatools.com/water-changes-calculator
Check out this link, it may be what you're looking for. http://www.theaquatools.com/water-changes-calculator