Calculating topdressing sand weight

Thanks to a recent inquiry from PACE member Mark McKinney, CGCS (Del Paso Country Club), we were reminded of a problem that many of you frequently deal with.

If you want to put 1/8 inch of topdressing sand down on one thousand square feet, how many pounds of sand do you need?

No, this isn't an SAT question or a trick riddle. Instead, it's a real–life question that turf managers face all the time. And the answers are sometimes hard…