>>     1.  When I mix Fumidil-B into water at about 100 degrees (F), it
only
> dissolves slowly.  Much of the Fumidil-B has the consistency of floating
> grains of sand which I crush against the side of the container.  Is there
>a better way?<
 
Mix Fumidil with dry sugar before making up syrup
or
first mix with a little cold water using a spoon to squash any lumps, the
end
result should be a smooth paste which can then be added to syrup.
 
Regards
Joe Trattle
Norfolk, England.