there is no "takes a single can out" its 1 can inserted <time passes> multiple cans removed. which means its something that extra utils or thermal expansion is doing.
;([DOUBLEPOST=1425234019,1425233964][/DOUBLEPOST]Well now we know that there is a bug when u place a reinforced watering can in an autonomus activator it has a minimum chance if break
I made the exact copy on my test world and afked there about 7 hours , but the reinforced watering can was still there. I have made something like that in the server with reinforced watering can but still nothing happen.