Karl, awesome summary. I would love to know how much Lyson you use per gallon of coolant.
Igor On Thu, Nov 18, 2010 at 3:36 PM, Karl Schmidt <k...@xtronics.com> wrote: > On 11/18/2010 01:07 PM, Igor Chudov wrote: > >> >> Karl, what sort of Lysol did you use, there are so many Lysol products. > > http://www.amazon.com/Lysol-Brand-Concentrate-Original-Scent/dp/B0012ZAOGC > > Lysol is based on breaking the cell walls of any growth. It doesn't take much > - say 1/4 as much as > for mop water.. > > The problem is that a lot of these coolants are based on lanolin - basically > animal fat - and that > presents itself as an excellent growth media for anaerobic bacteria. You > might notice that the > stench is similar to a grease barrel that has been sitting to long. (I also > had it plug up mist > heads with bacterial slim ). > > Running the pump aerates the coolant so anaerobic beasts can't grow, but > there are other beasts > (that don't smell ) that can grow and pose at least a theoretical risk. Some > brands of coolent have > some antibacterial stuff already added, but this stuff is not blended to last > long term for the > weekend machinist where it might sit for a few months - dare I say years?. > > One other issue - it is possible to grow things that are bad for us - molds > can trigger allergies, > but there are putrefying anaerobic bacteria that can get in a nick or cut on > one's hand and do bad > things. I think less harmful bacteria/molds are the common problem, but your > coolant can act as a > petri-dish and grow most anything if the PH is right (so it won't irritate > your skin) and there is a > supply of food ( lanolin ). Now that mist cooling is common, we even end up > breathing a bit of this > stuff. > > Legionnaires has been spread by air-conditioning coils where the drain was > plugged and it formed a mist. > > http://en.wikipedia.org/wiki/Legionnaire_disease > > > > > > ------------------------------------------------------------------------------ > Beautiful is writing same markup. Internet Explorer 9 supports > standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3. > Spend less time writing and rewriting code and more time creating great > experiences on the web. Be a part of the beta today > http://p.sf.net/sfu/msIE9-sfdev2dev > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Beautiful is writing same markup. Internet Explorer 9 supports standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3. Spend less time writing and rewriting code and more time creating great experiences on the web. Be a part of the beta today http://p.sf.net/sfu/msIE9-sfdev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
