It doesn't really matter sunny, they will all work. If you have something badly wrong the higher ppm might work better, but this is not an absolute. You wouldn't want it higher than 30ppm except for short term use maybe. It doesn't seem to be something that is absolutely controllable either. dee
On 22 Jan 2010, at 18:24, Sunwaterclear - Sunny wrote: > Well, it wasn't the last... > > Please can someone explain all the complexities around ppm. I am worn out > with reasearching and clicking.... and thought someone here must just know > it... > > I can set my generator from 5ppm to 20ppm.. What is the difference and when > would I want to use 5 or 20? > > thanks > sunny >
