| 21. | Diatomaceous earth, or DE, can be scratched into the soil where there are grub infestations.
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| 22. | You can also dust bed areas with diatomaceous earth.
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| 23. | Basically there are three types of filtration media : sand, diatomaceous earth and synthetic fibers.
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| 24. | Such elements can be made of sand, diatomaceous earth, zeolite or other natural or synthetic materials.
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| 25. | Most of Florida s diatomaceous earths have been found in the muck of wetlands or lakes.
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| 26. | Diatomaceous earths, formed by the accumulation of siliceous diatom microskeletons, are a prominent source material here.
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| 27. | Be very careful when using diatomaceous earth.
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| 28. | If you have to use insecticides on a continuing investation, use silica aerogel, diatomaceous earth, or pyrethrins.
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| 29. | At levels of 3000 mg / m 3, diatomaceous earth is immediately dangerous to life and health.
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| 30. | The drum is pre-coated with a filter aid, typically of diatomaceous earth ( DE ) or Perlite.
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