Pumice (Medium Grade)

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Pumice makes an excellent soil amendment providing structure, aeration and moisture regulation. Its porous surface absorbs excess moisture, releasing it steadily back into the subs trate as required by roots. Pumice contains very few trace minerals but can be ‘activated’ by soaking it in a nutrient solution for 24 hours before use. Medium Grade is measured at 3-8mm Please note: Pumice is a natural product and its appearance may vary slightly from the image. Show more