All of the ways to put water to the welder are all OK done it and it is just a lot of work if you remember to turn it on or even off, have the water running all night could cause problems somewhere down the line. The 250EX is a nice machine I like mine Good luck with it.
Everlast PowerTig 325EXT (Canada)
Everlast Power I Mig 250 (Canada)
Everlast PowerPlasma 80S (Canada)
Everlast PowerCool W300 (Canada)
Everlast PowerMTS 250S Fitted with a 30A Spoolgun(Canada)
Miller Dynasty 400 wireless(Canada)
Millermatic 252 plus 30A Spoolgun(Canada)