Tried that. Tried pineapple juice. Tried rubbing alcohol. Tried ranch salad dressing. Tried purple flavoured sugar drink. Tried cat urine. Tried cream(cow). Tried pond water. Tried bottled water. Tried vodka. Tried mustard. Tried Ketchup. Tried hotsauce(avoid at all costs!). Tried saliva(human). Tried blood(the first time was really messy). Nothing works.