It should all be soluable, although varying depending on amounts used
If having trouble, add HCl. As this will also remove any carbonates etc from the fertiliser whilst making it more soluable.
- A little more info might be helpful to answer your question. :)
I would not even go as far to call what we had, for the duration of the course, a teacher. More as a babysitter, "If your friends can't help you, I't bound to be in the book" - Standard answer for ANYTHING asked.
Prediction: Bare pass for this exam :eek: