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Perlite is a hydrated form of obsidian. When a mass of obsidian picks up water, it devitrifies and becomes amorphous perlite. The unhydrated core of the obsidian mass may weather out as an obsidian spherule called an Apache Tear. Perlite can also form by the sudden cooling and solidification of rhyolitic volcanic ash
Popcorn Perlite Anyone? Keller Mechanical & Engineering
Ever notice that most cacti and succulents care advice include well draining soil? These little white pearls resemble styrofoam and are also known as volcanic popcorn. Perlite is a volcanic substrate with a high-water content. When heated to temperatures up to 1700⁰ F (900⁰ C) The water turns to steam and pops the particle like popcorn, resulting in a lightweight and sterile mineral.
Perlite 4 Quarts Porosity Soil Amendment for Cactus and Succulents
Perlite Soil Amendment Pure Horticultural Grade Soil Additive
Perlite Soil Amendment Pure Horticultural Grade Soil Additive
This sterile, white propagating medium is used to keep soil loose thereby allowing air and water to reach plant's roots. Perfect amendment for
PVP Perlite
This sterile, white propagating medium is used to keep soil loose thereby allowing air and water to reach plant's roots. Perfect amendment for
PVP Perlite
Hawaii Horticulture: 2012
Perlite can be added to any soil mix to improve the aeration and the drainage of the potting soil. Perlite is a natural volcanic material and is
Perlite Premium 2-6mm
4.4 Cubic Foot Bag, Item Number: 10323
Perlite