I start a new thread because the old one became cumbersome and the only subject here is fillers not my own troubles and mistakes. I understand "doc" Blanchard is a real person who built boats recently in Maine. This is not intended to disparage his name. I converted the eight formulas on the knowledge page of filler formulas to common measurement and tried to get an idea of what is the viscosity of each of the small batches (not the 25 gallon OT). The 1964 OT formula uses 65 1/2 oz liquid for 4 lb solid = 16.4 : 1 The Rushton formula uses 96 oz liquid for 7 lb solid (assume white lead paste is solid) = 13.7 : 1 The Commonly Printed uses 135 oz liquid for 8 lb solid =16.9 : 1 Blanchard's formula uses 104 oz for 5 lb solid = 20.8 : 1 My point here is that the formulas will have varying degrees of viscosity with the Blanchard formula being the most liquid. Having used the Blanchard formula on two canoes as published I had not too satisfactory results. When I changed the ratio of liquid to solid to about 15 : 1 I got the rusults I had hoped to get. All of this is on #10 duck canvas. On very tight weave canvas the Blanchard formula may work different or maybe by a different application method. Any comments anyone?