> Peter Edwards (at his website) I believe uses four doses. Not sure how 
> ofter he adds thymol but Peter was using thymol when thymol use was not 
> cool!
> Maybe Peter will comment?

Hi Bob

You have reminded me that I need to update the web page!
Last year I cut back to three 8g doses at weekly intervals in August.  This 
year I am experimenting with just two doses for some colonies as we do not 
seem to be getting many problems; very rare to see a deformed wing these 
days - perhaps just half a dozen all season - and the crop has been 
excellent.

Best wishes

Peter 

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