Small Sponge Rock
Sponge rock, also known by the name Perlite, is a very common ingredient in orchid mixes and for good reason. Sponge rock decreases compaction of mix, increases aeration and retains moisture. Sponge rock is a volcanic glass that expands when heated and becomes very porous. The small sponge rock, #2, is wonderful in seedling and peat mixes.
Small Sponge Rock
See also:
- Aerolite
- Aliflor - Small
- Aliflor - Medium
- Broken Brick
- Cedar
- Charcoal - Small
- Charcoal - Medium
- Charcoal - Large
- Cobblestone
- Coconut Husk Chips - Shredded
- Coconut Husk Chips - Small
- Coconut Husk Chips - Medium
- Coconut Husk Chips - Large
- Coconut Husk Fiber
- Cork - XSmall
- Cork - Small
- Cork - Medium
- Cork - Large
- Coir
- Cypress
- Diatomite - Small
- Diatomite - Medium
- Diatomite - Large
- Fir bark - Small
- Fir bark - Medium
- Fir bark - Large
- Granite Chips (turkey grit)
- Marble Chips
- Metro Mix 380 (with Coir)
- Monterey Pine Bark - Small
- Monterey Pine Bark - Medium
- Packing Peanuts
- Pea Gravel
- Peat Moss
- Pro Mix HP
- Pro Moss - Fibrous Blond
- Pumice Rock
- Redwood Bark
- Rice Hulls
- Rockwool Cubes
- Sand
- Sphagnum Moss - AAA New Zealand
- Sphagnum Moss - Chilean 5 Star
- Sphagnum Moss - Milled
- Sphagnum Moss - Premium Chopped
- Sponge Rock - Small (Perlite)
- Sponge Rock - Medium
- Sponge Rock - Large
- Tree Fern Fiber - Small
- Tree Fern Fiber - Medium
- Turface
- Vermiculite
- Volcanic Rock - Medium
- Volcanic Rock - Large
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