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

QC Part #
MFR # HGC713308
In stock

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.


  • 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



Q: How much does 4 cu ft weigh?

A: According to the manufacturer, the weight varies on this product from 2-10 pounds per cubic foot. The bag is 4 cubic feet so you can expect a bag to weigh around 20 pounds or so.

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