The trouble is Neville, that other people buy it from me and I told them that it has to be clear (big mouth) because that is what I believed at the time. So if any goes yellow, it costs me to replace it of course. dee
On 16 Nov 2009, at 22:57, Neville Munn wrote: > This is the thing Dee, from what I gather EIS/CS would need to be > manufactured in a vaccuum sealed environment to keep ANY contaminants to a > minimum...and then you open the bottle when you get home...! Chemistry of > the environment will have it's way regardless. > > This stuff is so easily 'upset' with regard to purity. This is why I work on > a 'range' of ppm, why I have my own 'tolerance' levels in uS readings of DW, > and why 'colour' is accepted, again within my 'tolerance', colour doesn't > signify poor product it just means I work out what I use that 'coloured' > solution for, for it's best effectiveness in any particular circumstance, and > regulate dosage accordingly. Every time the vessel is opened 'something' > else is let in with the air...how to keep it at it's optimum purity, or keep > it 'perfect'? who knows...?? >
