Those pesky white rings appear everywhere! Hazy marks can occur in certain finishes within 15 minutes! What's happening is that moisture or humidity is getting trapped within the hard finish layer. (If a black mark appears it has penetrated through the finish onto the wood, and a wood bleach will be necessary.) Ring Remover removes white colored heat and water marks on many hard surfaces,
including varnishes, shellacs, lacquer, French polish, and polyurethane.