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Great post as always Chris. I’ll add that for us, I’m generally working with various levels of moisture in my sand as the pile does not have a cover. After collecting sand in the tray I throw it in my office overnight, shake all the now dry sand off the enkamat in the morning and weigh the dry sand. This process ensures that we are just measuring sand each time and no extra water.

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I've always assumed there is some increase in weight, but not a significant amount. I've got a cup of wet sand I weighed drying on my floor now and I'll weigh it again once it's dry.

Unfortunately, on this application, we ran out of dry sand before we finished, so have to do the rest with wet sand (I'm not willing to pay the premium for dried unless it's necessary for the particular application), which changes the dynamics of the spreader. Probably more worrying than is necessary. In the end, it'll all work out.

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