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Message: <blockquote data-quote="Surveyor" data-source="post: 1830788" data-attributes="member: 50720">Jerry, RonH,I forgot to mention that about half or two/thirds of what I use at the office is not the low pressure type of silica gel you normally think of.We buy a lot of bagged industrial absorptive grade (kind of a high grade kitty liter) that we use a lot for sucking water out of valve housing or ground mounted instrument vaults, etc. Sometimes use it as an oil dry. Occasionally, even use it to get out of the mud. Buy this stuff by the 10 pound bag and use a lot of it. We do not process it, but rather swap it in and let the chemical company process that stuff, especially if it has contaminants other than water.</blockquote>