"I am also so very sorry about your loss. Earlier this summer we were forced to put down our choclate lab of 14 years. Miss her dearly. I kept hoping she would pass in her sleep, but her circumstances were quite the same as yours, and the vet said…"
"Used motor oil cut with kerosene was used many years ago on many farm outbuildings. Would still work, but then you have the enviromental question. I'm in total agreement with Dave, the cost of commercial products that only last 3 years is…"