Mother Earth Perlite # 3 - 4 cu ft Air Purification and Filters This medium is designed to

This medium is designed to drain off excess water from the base of the cutting or seed

Packed in easy tear away strips

Compatible with Titan Controls® CO2 Controllers or other 120 Volt controllers and timers

Easy temperature control

It is a tenacious gel which will remain in contact around the stem

Mother Earth Perlite # 3 - 4 cu ft Air Purification and Filters This medium is designed toMother Earth Perlite is naturally occurring siliceous rock that when heated to 1600 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. The exceptional physical properties of this perlite make it tops in the perlite world for adding porosity to soil and soilless mixes. This perlite has numerous hydroponic applications as well.