What causes a big fluctuations in ph in a soil grow when u follow manufactures mix details. I would also like to know what a ppm should be going into a soil grow and a exit ppm. Thanks in advance for your replys
But more than that, I kind of suspect you might be barking up the wrong tree to begin with. Is this your first grow? If you could provide a lot more info (like by answering the Qs in the How to Ask for Grow Support sticky, that would help a lot.
