<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV>That would depend upon the environment, wouldn't it? I have 2-tank systems installed on 8 B's in a building with extreme humidity swings, and the systems work great; I don't think they are overkill.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Kent</DIV><DIV><BR class="khtml-block-placeholder"></DIV><BR><DIV><DIV>On Apr 27, 2007, at 7:47 AM, Dean May wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><FONT size="2" color="navy" face="Arial"><SPAN style="font-size: 10.0pt;font-family:Arial;color:navy; color: rgb(0, 0, 128); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 128); font-family: Arial; font-size: 13.3333px; ">I can’t imagine 2 tanks would be necessary on a 7 foot piano with an undercover. It seems totally overkill.</SPAN></SPAN></FONT></SPAN></BLOCKQUOTE></DIV><BR></BODY></HTML>