McFrosticles
Well-Known Member
As the title says, I ran out of magnesium sulphate, got the bags mixed up. I've been feeding ec 1.5/1.6. Just started week 7 of flower. Am I safe to just use 3/2/0 until I pick some salts up tomorrow? Should I drop the ec to 1.2? I have a little cal mag there, could I use this? They'll be watered twice/thrice before I can get the salts, in rockwool. Just a bit concerned as they were showing some rust spots at the serated edges, I put it down to the lights being too close but could be a little Mg def?