Hi guys,
I am running 100L reseviors, sterile, using 35% H2O2 @ 1.5m/L twice a week, for the past few months. Moving to Calcium Hypochlorite to reduce costs.
Using this calculator https://handymath.com/cgi-bin/chlorined4.cgi
To get 5ppm of Chlorine into 100L of water, using 65% available...