Nick, if you think I was writing in Hebrew, you are far from right. I really went off on you worse in the German than the English, but since you can read or write neither language, I guess I have to resort to showing you pictures. I do give advice, especially regarding water quality, and other environmental concerns. It seems you envy my education, and all info I give I also ask my girlfriend about (who is a geochemist and chemical engineer). Do us a favor, try and close your mouth before your foot has to be surgically removed from it. All you show is your ignorance, please, there is enough of that in the world.