Perlite is a non-crystalline form of volcanic glass that expands and becomes porous when heated to 1600F. The water molecules trapped inside the rock turn to vapor and cause the kernel to expand just like popcorn!
Ingredients:
#3 coarse perlite
Qualities:
Coarse and chunky
Neutral PH
Mined in the USA
Can be added to any other growing
5.0
35 ratings
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High Quality, Great Value
I love this perlite. Great size and very little dust. It’s a great value and even better when it’s on sale, I would highly recommend it.