Does anyone here know what could cause the pink light in the laser tube to be straight until the metal ring, then dancing around the metal ring? The output is still the same, but the bizarre light show at the end of the tube is rather scary. It's not in the outer tube, its just arcing in circles around the beginning of the output ring. Any information on this would be greatly appreciated. Anyone else notice this on your machine? Is this a problem with the tube? I have a new tube, less than 2 weeks old. Has been working fine. I put 2 cups of antifreeze in the water yesterday, now it's doing this. Is the antifreeze conducting electricity?
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