Orchid Nerd ™ Charcoal Medium Grade 2 Cubic Foot Box
From hardwood trees. Charcoal is most often used as a medium additive to enhance root system development. Also used as a top dressing to act as a filter to purify air and water passing through it. Charcoal is added to the orchid mix with the intention of keeping the mix sweet and to filter impurities.
- #3 Medium Grade (approx 1/2 inch size)
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