Have you thought of selling them through Mgfntfbitz or Mike Satur. A coolant alarm is conspicuously absent from their sites

Err... Sorry to be slow on the uptake. 

It's a good idea - except, I just about make them fast enough to cover the amount I sell now.  I only do it as a hobby and I don't really want any more business than I already have. 

Thanks for thinking of it, though.  

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