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casperrosewater

Where to Purchase Medium or Coarse Diatomaceous Earth?

13 years ago

Hello:

I would like to purchase Diatomaceous Earth here locally, but not the fine variety commonly used for insect control, but rather I need the medium (regular) or coarse, for use as a soil amendment instead of vermiculite or perlite. Anyone know of any sources around the valley? I am in South Scottsdale.

I found 1 cu. ft. bag on Amazon but the shipping cost is 1.5 x the cost of the bag.

Thanks

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