You said it for us David. I'm a 'newbie' here myself, and I don't agree with the half a ppm theory, but I chose not to dwell on it. Positive Thinking does wonders for him, more so then me, it seems. I feel more ppm is better, even though I don't go any higher then twenty, and even then, I add water to make it somewhat less. I have hopes that other new people won't just take the word of one person, before limiting themselves to something so small a percentage. But to each their own. Personal experience is all the best advice I can offer. ~Just my thoughts~
Kenneth Karen is Healthy, Wealthy, and Wise