Hi, quick post.
My nutes mix is made up in an 18 litre pot. I have used silica, small dose of cal mag, Canna coco a&b at weak dose. Anyway altogether the ppm is 700 tds and it's 1.4 ec.
1st I put in silica, then cal mag, then canna coco a, but when I put canna coco b in the whole mix goes...