We have had great success with triples.

1) it gives you two seams to feed pollen,  between 1-2,  2-3 , we can get 
about 12 pounds per box this way and only have to service them twice this 
way.

2) we can syrup feed heavy and not worry about plugging out the queen, which 
also saves time.

3) but the real sweet deal is you can spit them before the almonds, fill up 
your D.O. in Jan and shake all spring long while most are making up 
increase.

4) pallets never come back to the shop because you fill all the holes in 
Jan,  before you have to move them.

Keith 

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