Mother Earth® Course-Grade Perlite - 4 cu ft Bag

Add porosity to soil and soilless mixtures with this 4 cu ft bag of Mother Earth Course-Grade Perlite. A 100% naturally occurring siliceous rock when heated to 1,600° F expands up to 20 times its original volume. 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. This perlite has numerous hydroponic applications as well.

Features

• Coarse is about 1/8" to 1/4"
• Sterile
• Neutral pH of 7.0
• Add porosity to soil & soilless mixtures, as well as hydroponic applications
• 4 cu ft bag