In my set up I am using the same water again and again, which I know is very wrong. Because if that water get contaminate the sickness will spread even faster. I was thinking to sterilize this water with UV light. I know that UV light can change harmless oxygen to ozone which is very dangerous to the plants as I have find out in a past. Do you think can I sterilize water this way and can I use this water for plants?
Thanks for your help