-40%
Expanded Shale - Haydite - 8 quarts - (2 gallons) Medium Flat Rate Box
$ 8.71
- Description
- Size Guide
Description
Expanded shale.Expanded shale conserves and holds water so you don't have to water as often even with very porous soils, greatly enhancing root development and growth. A great enhancement to clay heavy soils.
Perfect for hydroponics, aquaponics and of course soil conditioning for nearly every type of plant ranging from fruits, vegetables, ornamental, trees of all sorts including oak, walnut, pecan, bonsai to name a just a few. Expanded shale can yield a dramatic improvement in a short time to your growing environment.
This is mixed pebble sizes, with both small and medium size graduals.
We buy expanded shale by the pallet and repackage. This is top quality, shale at a reduced price.
Expanded Shale Information
Expanded shale is formed when the shale is crushed and fired in a rotary kiln at 2,000 F. (1,093 C.). This process causes tiny air spaces in the shale to expand. The resulting product is called expanded or vitrified shale. This product is a lightweight, gray, porous gravel related to the silicate soil amendments perlite and vermiculite. Adding it to heavy clay soil lightens and aerates the soil. Expanded shale also holds 40% of its weight in water, allowing for better water retention around plants. Unlike organic amendments, expanded shale doesn’t break down so soil stays loose and friable for years.
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