BetterGrow Vermiculite from Growth Technology will improve aeration, drainage and moisture retention in potting mixes. It also insulates against fluctuations in surface temperature when used as a seed covering. Vermiculite will improve aeration, drainage and moisture retention in seed sowing and the rooting of cuttings. Adding vermiculite to a potting mix helps plant growth by absorbing nutrients, preventing them from being washed out and then releasing them gradually to the plants.
BetterGrow Vermiculite is available in 2 litre bags.