There is nothing wrong with MG soil...

Its not the best but it works. Just make sure you add more perlite to the soil.

In fact one of my best tasting, looking, and smoking plants was in MG mixed with some scotts potting mix and MG perlite. OF is awesome but MG works no matter what people say.
GetThisOrDie Reviewed by GetThisOrDie on . Miracle Grow soil/Seedlings I currently have 2 seedlings that are 20 days old. I'm using Miracle Grow potting soil, I know it's best to use something else but I'm new to growing and took what felt was easier. As far as lighting I'm using 6 23watt CFL at 18/6. My question is, my plants are growing extremely slow and I'm wondering if it's a nute problem and can I use plant food yet or is there still enough nutes still in the MG. As I mentioned its been 3 weeks and growth is practically stopped. I have also noticed Rating: 5