Perlite
Perlite comes from volcanic rock of silica family. Moisten it with water before use to avoid breathing its dust. - Its main characteristics are:
-
For orchids, perlite can be used to improve the draining in the pot and to avoid the compost to pack too much with time.
- water retention
- ventilation
- it doesn't compress itself
- small particle size (1 to 3 mm)
- chemically neutral
















