Since when does rainwater have to do with my response? *[img]http://www.**********.com/iB_html/non-cgi/emoticons/confused.gif[/img] *[img]http://www.**********.com/iB_html/non-cgi/emoticons/confused.gif[/img] *All i replied was about saving an expensive plants' life with an RO system. I do agree, rainwater is among the BEST of water choices, provided it is clean from where you collect it. After all it is what every single wild plant receives!