Vermiculite Flakes: 0.5-1mm, 0.7-2mm, 1-2mm, 2 ... .3-1,1-2mm, 1-3mm, 2-4mm Vermiculite Flakes, Expanded Vermiculite, Horticulture Vermiculite of Golden and Silver color: ... Vermiculite Flakes: 0.3-1mm, 0.7-2mm, 1-2mm, 2 ... Soil Improvement3. Fertilizer Carrier4. Hydroponics 5. Animal Feedstuffs Vermiculite Flakes, Expanded Vermiculite