Garden Soil: Wonder Soil’s Garden Soil tube consists of 18 expanding wafers that are made with nutrients, mycorrhizae, kelp, worm castings, and unique water-saving polymers. Garden Soil Wafers are easy to carry, easy to use, and easy to grow. The wafers expand when hydrated with water. The Garden Soil tube contains (18) 2 inch wafers. Each wafer expands to fill a 4 in. pot.
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