Your assertion which the "gold" rises to the top is The rationale I ask this since that is the way mica particles act within a pan. The chinese stuff have gotten superior not long ago. The most cost effective a single I've identified is often a towable backhoe from Harbor https://fab-directory.com/listings13287470/the-best-side-of-https-www-nwsupplement-com-product-gold-standard-100-whey-protein-for-sale