Description
Useful for aiding the water management of peat composts as it retains water more strongly than peat and so extends watering intervals and provides a nucleus for re-wetting. The nutrient buffering complements this water buffering action. Use at up to 50% by volume. Granule size: 1.0-3.0mm.
Vermiculites laminar structure provides excellent cation exchange properties, helping growing media hold on to soluble nutrients. Also ideal as a top dressing for seed sowing