The American Red Cross is calling for donors of all blood types, especially those with O type, to refuel the blood supply.

Those who donate blood by Saturday, July 31, will receive a $10 Amazon.com gift card via email.

The next blood donation opportunity for Perrysburg residents will be at Lutheran Church of the Master, 28744 Simmons Road, on Tuesday, July 20, from noon to 6 p.m.