Hi fellow Beehavers,
    I have seen several posts on the use of apistan for maximum mite
kill and to stop resistance to apistan,  you must use two strips per
colony. All colonies that winter in the north have at least two deeps on
for the brood chambers.
 
My question is where would I put the apistan strips in the upper chamber
or lower chamber? The upper chamber is where the bees would be at first,
but I rotate the two brood chambers at least 3 times before the honey
flow starts. To be really effective shouldn't I put strips in both
chambers or 4 strips per colony, since I would have brood emerging form
both chambers at different times?
 
I looked in the Mann Lake catalog to see what it would cost per year if
I had 1000 colonies, which I should in about 2 to 3 years. A 100 strips
cost  $157 , so in the sping I must spend $1570 and again in the fall.
Thats over $3000 in 1 year, which in my estimation is very minimal in
killing varroa mites. If I use 4 strips per colony to be really
effective then it is over $6000 per year, at this rate I could buy one
of those fancy pickup trucks in just 4 years if I use an alturnative to
apistan, or mineral oil.
 
After looking at this from the money side it is easy to see why there is
such resistance to change by the sellers of this product.
 
Sorry if I offend anyone but this is the way I see it.
 
Elroy