Pumice, when used as a soil amendment, provides the following:
- Excellent aeration
- Good drainage
- Neutral PH
- Does not break down, (can be used over and over again).
- Does not rot
- No shrinking or compacting in aging
- Easy to control nutrients
- Not a host to fungi, nematodes, insects, etc.
- No offensive odors
Pumice can be used as an alternative to perlite or vermiculite in potting mixes as well.