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Our Topterra brand has become the international standard for the professional mushroom cultivation industry. This casing soil will give you the best results.

We are proud of our fully automated factory that constantly produce consistent products for consistent results. Naturally, we inspect our casing soil for the presence of weeds, pathogens and undesirable organic and chemical substances. We provide specific blends to satisfy the needs of companies that use either mechanical or manual harvesting methods. Get in touch with us for more information about the best casing soil for your situation.