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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
โ€ขย Food grade โ€” OMRI certified for use with grain, seed, livestock operations and organic growing operations
โ€ขย 89% silicon dioxide plus 28 trace minerals
โ€ขย Extremely pure grade from fresh water sources
โ€ขย 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.

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