Plant about 3 weeks and Have some yellow tips on tips. Runnng 18/6 n a 60/40 split of ocean Forrest/happy frog. Spider farmer sf1000 @ 14 inches @ 50%. Any thoughts?
just read the post from mr grow it and it definitely applied here, cleared it up then happened again after feed, feed, water routine. Went back and reread mr growit book and realized was burning. Flushed and seem to be on track
Strange. Can you take a pH and PPM runoff measurement? That will help give us a better picture if things are in the right ranges or not.