Courtney
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Courtney reacted to Bill Kielb in bed of silica
Smooth even distribution of grog or alumina is common. I think @PresĀ used to use a salt shaker for thin even application. Think of it as little ball bearings to roll over rather than a bed of sand so to speak. So a fairly small sparse amount evenly supporting the ware. No high spots, no large empty spaces in my experience.