Mother Earth Horticultural Coarse Grade Perlite, 4 cu ft Best Sellers and the side walls encompass

and the side walls encompass each layer so there’s no danger of dropping or losing any of your yield

UL Listed:  No

and trace minerals

sizes and moisture

Mother Earth Horticultural Coarse Grade Perlite, 4 cu ft Best Sellers and the side walls encompassMother Earth Expanded Horticultural Grade #4 Grade Perlite Mother Earth Perlite is naturally occurring siliceous rock that expands up to 20 times its original volume when heated to 1600 degrees F. This kilning process is very similar to popping popcorn and produces a growing media that is sterile and has a neutral pH of 7. 0. The exceptional physical properties of this perlite make it tops in the perlite world for adding porosity to soil and soilless