Perlite/Sponge Rock Grade 3- 4 cu. ft.
-Sponge rock, also known as Perlite, is a common ingredient in orchid mixes.
-Sponge rock increases aeration and retains moisture.
-It is the volcanic glass that expands when heated and becomes very porous.
3 other products in the same category:
-Sponge rock, also known as Perlite, is a common ingredient in orchid mixes.
-Sponge rock increases aeration and retains moisture.
-It is the volcanic glass that expands when heated and becomes very porous.
- Depth 10"
- Height 16"
- Weight 27 lbs.
- Width 42"
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