Thanks to some PO4 in my ro water, I started a nice garden. Green and brown. I got some chemi-pure elite, put it in a canister, got 50 cerith, 50 nerite, 5 em. crabs, and a matrix crab.
ALL GONE! PO4 is undectectable,0ppm nitrates. I can look in my display again! LOL
I've seen some lawnmower...