Originally Posted by
quickdodge®
Just reuse it. From what I understand, if you let old oil sit in a 2 gallon watering can. It has to sit for 2 weeks(at least). During this time, all the elements that make the oil old(carbon deposits, burnt gas soot, burnt coffee beans) will settle to the bottom of the can. After the 2 week period, or whenever you're about ready, take the oil and pour it into ice trays, pour clear colored food coloring in it, place a popsicle stick in it and set the trays in the freezer. During the freezing process, the clear food coloring molecules will overtake the discoloration of the oil and dull down the blackness of it. When frozen, take the trays out and, using the popsicle sticks, pull your "oil cubes" out and place them upright in a cat litter box with sand in it and place all in the sun. What will happen is the oil on a stick will melt in run down into the sand. Any leftover derivatives and excrements will also run down the stick, but will get stuck on the stick with any left over thickened oil, thus leaving the oil deposit free. Then filter the oil out of the sand(quickly since sand absorbs oil) and rinse the oil off with water. It has to be Wal-Mart's Mineral water as regualr water will harm the oil. Then pour your newly recycled and clean oil in your crankcase and enjoy never having to buy oil again. Later, QD.
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