Sort out any moldy, crushed, or leaking berries
Do not wash blueberries until just before eating
Store them in a breathable container or original clamshell
Line the container with a paper towel to absorb moisture
Keep them dry and refrigerated
Avoid sealing them in airtight containers with trapped moisture
Check and remove spoiled berries regularly
Rinse only the portion you plan to use
Dry washed berries thoroughly before storing
Freeze extra blueberries if you will not use them soon