The water based finishes do not work well with Red Mahogany stain. I've had no problems with brown,black or other darker colors the few times I have used them. ----- Original Message ----- From: "Marc Lanthier (Piano Lanco)" <info at pianolanco.com> To: <pianotech at ptg.org> Sent: Saturday, February 28, 2009 12:56 PM Subject: [pianotech] Polyurethane finish on a stained mahogany piano > Hi, > > Do you guys recommend or disapprove of applying a water-based urethane > finish on a mahogany piano. Will the polyurethane cause problems in the > future (blooming, hard to clean/repair)? > > Thanks > > > > PIANO LANCO > Marc Lanthier > 514-770-7438 > 1-877-PIANO10 > info at pianolanco.com > www.pianolanco.com > > > > >
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