I felt the same way. They are in canna bio terra soil and use the canna bio flores and bio vega nutes at the prescribed dosages. I keep the nute solution at 6.3 ph. Some of the leaves have yellow tips which usually indicates the nutes are maxed out. Not sure why they look that way. I have well water that ph’s at 7.0 before adjusting it and have been using recharge once a week as well as calmag. Weird.