I imagine there are many like me who have the cheapest cooling water solution

Unfortunately not, but thanks for the offer. :slight_smile:

damn it seem of a lot power waste, if you look at the problem on temp side, Why not using the cold from air compressor to cool water too. idea to dig up !
concentric air line into water return…as thermal exchange

Una consulta cuanto tiempo le dejas enfriar el agua, antes de usar el laser o prender la maquina