Skip to main content
4 events
when toggle format what by license comment
Jan 17, 2017 at 1:05 vote accept Graham Chiu
Jan 11, 2017 at 17:47 comment added Graham Chiu I just read your last link. Rather then using rain water it seems you can first pre treat the water with humic acid to neutralise the chlorine and chloramines in tap water.
Jan 11, 2017 at 17:33 comment added Graham Chiu Did you notice this paper? ncbi.nlm.nih.gov/pmc/articles/PMC4564151
Jan 11, 2017 at 15:37 history answered That Idiot CC BY-SA 3.0