Categories
- Organic Gardeningโ
- Natural Pest Control+
- Growing Indoors+
- Healthy Living+

Fossil Shell Flour
Diatomaceous earth is a gardener’s best friend. With Perma Guard Fossil Shell Flour, you can add this natural element from one of only four food grade deposits in the USA.ย Safe and effectiveย —ย contains less than one halfย of 1% crystalline silica and is “generally regarded as safe.”
Benefits
โขย Food grade โ OMRI certified for use with grain, seed, livestock operations and organic growing operations
โขย 89% silicon dioxide plus 28 trace minerals
โขย Extremely pure grade from fresh water sources
โขย White to grey in color
Available in 50-pound bags
User’sย Tip:
As an anti-caking agent,ย mixย in animal feeds in an amount not to exceed 2% by weight of total ration.