Mother Earth® Course-Grade Perlite - 4 cu ft Bag QCOUTLET provides superior heat retention by

provides superior heat retention by trapping heat

the cattle have a fresher

Filter and plumbing fittings not included

Length: 4"

Mother Earth® Course-Grade Perlite - 4 cu ft Bag QCOUTLET provides superior heat retention byAdd 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