Mother Earth Perlite & Coarse Perlite Options:Mother Earth Perlite # 3 - 4 cu ft (30/Plt) A high blue light ratio

A high blue light ratio and additional green light to aid in the growth of health plants

Measurements range of 0-1999 S/cm

The combination of citrus extracts and mineral oil easily helps you clean up after time in the garden or processing and handling plant materials

NOTE: These generators require unrestricted airflow through the bottom and must be mounted by hanging/suspending

Mother Earth Perlite & Coarse Perlite Options:Mother Earth Perlite # 3 - 4 cu ft (30/Plt) A high blue light ratioMother Earth Perlite is naturally occurring siliceous rock that expands up to 20 times its original volume when heated to 1600 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 mixes. This perlite has numerous hydroponic applications as well.