Perlite is really cheap 5.00 for a small bag 20.00 for a big bag. I wouldnt recomend putting styrofom in the soil.hey kinda short on cash and was wondering can i brake up a Styrofoam cup into small pieces and mix it in my soil instead of perlite?
nice song ^^^^^no.,.,.,.,.,.,no.,.,no.,.,http://www.youtube.com/watch?v=uy2Gctc11FE