G Gervahlt Gambusia MFK Member Jul 13, 2010 401 1 16 Asheville, NC Sep 12, 2010 #31 I'm just dividing the .5 ppm of the 10g of tap water into the existing 220 gallons of water (rough est. of actual water volume in your system).
I'm just dividing the .5 ppm of the 10g of tap water into the existing 220 gallons of water (rough est. of actual water volume in your system).
