I am a newbie. I run sterile. RDWC.
I am confused. I use nothing but my nutrients and a dose of h2o2, when i change.
What's confusing is, that I read that people put a tea in, not sure.
All 4 plants in 4, 27 gallon totes. One 5 gal sump and one 5 gal pump out tote. 3 large air stones in...