dirt

I want to dirt my 20 long. What dirt should I use? It would have to be a dirt you can find at Lowe’s and Home Depot

Hi all, I'm trying my first dirted tank and trying to follow the Walstad method. Will this soil work: https://www.miraclegro.com/sites/g/files/oydgjc111/files/asset_files/45015430_0129_CFL.pdf It's the Miracle Gro Performance Organics All Purpose In-ground soil. I'd like to know if I need to...