BetterGrow Perlite absorbs and holds vast quantities of air and moisture which helps prevent compaction. It improves aeration and drainage in potting and seed sowing mixes which will help to avoid root diseases and assist healthy root growth. It is easy to handle, stable and long-lasting.
This medium-grade perlite (grade 35) is produces from a naturally occurring non-toxic, natural volcanic rock which is heated to a high temperature to produce a ligthweight micro-porous structure.
It is a good way to germinate your seeds in this medium too!