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Transfer to Clean Comb
Stage 1a.  In the very early spring the queen, the cluster, and the brood are often contained in the upper box. I do this on a warm day in late February Stage 1b.  Without disturbing the cluster the empty lower box can be removed. Combs on the edge of the cluster are replaced with full stores combs from the discarded box. Stage 1c.  A box of clean drawn comb is placed on top.  Foundation can be used if a contact feeder with thick syrup is placed above.  
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Stage 2. Wait until the queen is found laying in drawn comb in the upper chamber of clean comb, then insert a queen excluder between boxes. Be sure the queen is above the excluder. Stage 3.  After 3 weeks all the brood in the old comb will have hatched out, and the old box should be removed immediately. Be sure the colony has enough stores. Feeding with a contact feeded may be needed. Stage 4.  The colony has been transferred onto clean comb. A second box of clean drawn comb or foundation may be added, if needed, as the colony expands.
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