A volcanic rock that can be used to make potting soil lighter and airier. This allows roots to develop better. It can also be used as a drainage layer.
A volcanic rock that can be used to make potting soil lighter and airier. This allows roots to develop better. It can also be used as a drainage layer.
A volcanic rock that can be used to make potting soil lighter and airier. This allows roots to develop better. It can also be used as a drainage layer.