Yesterday I saw a small bag of grit (granite I think) at a feed store for about $8. Today I saw a larger bag of Volcanic Pumice at the garden center for $3. It seemed to me that it might be just as good.
Does anyone have any experience with, or knowledge of the suitability of Volcanic Pumice for grit?
Thanks
Does anyone have any experience with, or knowledge of the suitability of Volcanic Pumice for grit?
Thanks