Solarez Bone Dry- BlackThe "ULTRA THIN" BONE DRY BLACK formula is an outstanding performer but it has one quirk: it crystallizes with prolonged exposure to temperatures below 45F. This probably will not occur at your location but it might occur in shipping along the way to your place. If this does occur, it will look like the resin has gone clumpy, like crystallized honey. The remedy; same as honey, pop the entire bottle into a microwave oven and nuke it for about 10