£25.00
Super-micronised calcium sulphate dihydrate gypsum, 25kg sack — blends evenly through bulk substrate.
Super-micronised calcium sulphate dihydrate gypsum in a 25kg sack — the ultra-fine particle size blends evenly through bulk substrate, aiding structure, pH buffering and nutrient availability.
18+ only. Sold as cultivation equipment/supplies for lawful use in your jurisdiction.
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Spore syringes, spore prints and microscopy supplies for UK researchers and hobbyist microscopists.
Spore products on this site are sold for microscopy and taxonomy research only.
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