I've been using the Nassenheider Evaporator to deliver formic acid in 
early August for a few years.  Works well, but this is a back yard 
operation, so the considerable labor in preparation is not a big deal.  
I started with Oxalic Drizzle in mid-December this year.  So far, I've 
seen good mite drops and I haven't lost any colonies yet. I'm 
considering adding a second annual formic treatment in September next 
fall  if the weather holds. This is NW WA, so weather is never reliable.

In recent discussions, formic delivery in Dri-Loc 50 pads came up.  Can 
somebody explain how the pads were prepared, what strength formic, how 
long the treatment lasts and how many applications are needed for a 
complete treatment?  Can't seem to get to any information online.  A 
short description or a link would sure be appreciated.  Thanks.

Michael Jaross
Bellingham, WA

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