Rockwool
Rockwool is made from Basalt rock and chalk. The rock is heated to the melting point and then blown into fibers that resemble cotton candy as the rock is fluffed to 37 times its original size. Rockwool is commonly used in hydroponic growing because it is completely inert and does not break down. Potting up can be done by putting the orchid, original medium and all into a bigger pot and adding more rockwool. Rockwool is sometimes used as the bottom layer when repotting phrags.
Rockwool
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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