HydroFarm 100L Super Coarse Perlite Soil Aeration Volcanic Rock – 100L (3-Pack)

$139.00

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Description

The HydroFarm Super Coarse Perlite is a unique volcanic mineral which expands from 4 to 20 times its original volume when it is heated. Perlite can reach temperatures of approximately 1600°F – 1700°F. The media’s expansion is due to the presence of 2% to 6% combined water in the crude perlite rock, which causes the perlite to pop in a manner similar to that of popcorn.

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