Originally Posted by
pitdogg2
Do you take any ph shift in account? My tap water comes out at 8.8 and it settles down to 7.7 in about 12-18 hours. I run my tap water in my holding tank through a Rena xp3 350gph, a fluidized bed filter with 1 liter of Purigen and a huge dual sponge filter with a 400gph powerhead. That's after i fill it with a high pressure garden hose agitating the whole time.
Just for the sake of arguement the water is at temp going in the aging tank 82°