Hi everyone,
Could someone give me a tip regarding the correct BF time? My setup is:
Fleck 5600 SXT, 1.5 cuft, 48.000 grain, 0.5 GPM BLFC, P0.7
Water hardness = 19.21 gpg, no iron. We use about 100 Gal/day and to prevent bacterial growth I want to regeneration (DO) aftert 7 days latest. So how...