Orchid Nerd ® Charcoal Fine Grade 1 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 filter to purify air and water passing through it. Charcoal is added to orchid mix with the intention of keeping the mix sweet and to filter impurities.
#4 Fine Grade (approx 1/4 inch size)
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