Thanks for mentioning the Pad Treatment, Roger (sorry I forgot to do so in my original post). It is present, and has been since installation; I'm a firm believer in its benefits. By the way, our local climate is a very dry one (forgot to mention that too). Bert --- On Tue, 7/6/10, Roger Wheelock <roger at dampp-chaser.com> wrote: > From: Roger Wheelock <roger at dampp-chaser.com> > Subject: Re: [pianotech] Grey Market Mould > To: pianotech at ptg.org > Cc: "Randy Kaufman" <randy at dampp-chaser.com>, kelly at dampp-chaser.com > Received: Tuesday, July 6, 2010, 2:43 PM > Hello Bert, > > The purple colored blotches are simply the dye in the pads > becoming concentrated by water continually being wicked > through the pads. I am not familiar with another case > of a musty smell. Pad Treatment is designed to > suppress mold and mildew on the pads, but isn't meant to > treat the entire piano. > > I will be traveling for the next few days. If we can > be of further assistance, please call Kelly or Randy at > 800-438-1524. I believe this number works in > Canada. If not, you can email them. > > kelly at dampp-chaser.com > or randy at dampp-chaser.com > > All the best, > > Roger > > Roger Wheelock, VP > Dampp-Chaser Corp. > ISO 9001:2008 Certified > > ----- Original Message ----- From: "Albert Picknell" <pnrfqsnrk at yahoo.ca> > To: "Pianotech List" <pianotech at ptg.org> > Sent: Tuesday, July 06, 2010 10:20 AM > Subject: [pianotech] Grey Market Mould > > > > Hello List > > > > I have a client with a grey-market Yamaha U1H. I > installed a Dampp-chaser a couple of months ago, and now the > client is noticing a musty/mouldy smell that seems to be > coming from the piano. Also, when I went to tune the > piano a month or so after installing the Dampp-chaser, I > noticed some purple-coloured blotches on the humidifier > pads. > > > > What I suspect has happened is that the > re-introduction of moisture into the piano has re-awakened > dormant mould spores that have been there since the piano > was brought over from Asia. My first inclination is to > remove the Dampp-chaser, but I'm wondering whether any of > you have dealt with a situation like this before, and have > found any other effective solutions. > > > > By the way, the client has another piano (non-grey > market) in the same apartment, also with a Dampp-chaser in > it, that has no problem. > > > > Thanks, > > Bert > > > > > > >
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