I tell ya I used some epson salt on my plants an man they get ta growing

) and yes if you can get some cotton hulls deffinetly try it in my veggie garden my plants grow huge and bear huge veggies !!!! I am about 1/4 mile from the cotton gin they have a huge pile of hulls from where they process the cotton then dump the hulls I mean huge bout half the length of a football field and about 10ft tall its free here they just say get it lol or if your in a truck they will get the back hoe and fill your truck bed up

))) no charge!!! But man I tell ya they stink it smells like straight up cow **** lol but works great on my plants and yard!!!!