Therm-O-Rock Vermiculite Coarse, 4cu ft Amino Acids & Vitamins these tubes are available in

these tubes are available in a variety of sizes and lengths

Use 1–3 teaspoons

Cylinders and pistons are made of premium materials

insert bars

Therm-O-Rock Vermiculite Coarse, 4cu ft Amino Acids & Vitamins these tubes are available inTherm O Rock Vermiculite Medium #3A Therm O Rock Vermiculite is a versatile soil additive valued for its ability to retain water, improve aeration, and prolong nutrient release through its unique accordion like particle structure. Ideal for conditioning container soils, vermiculite helps create a balanced growing environment by holding both air and moisture. It can also be used for seed germination, bulb storage, and flower arranging. Made from a