I suppose you can I would use something just a wee bit bigger like the bottom of a 32oz or 42oz cup from QuikTrip but a pop can will work just have to transplant sooner

make sure to cut holes in the bottom and rinse out real good

Peace
K-town

__________________
EVERYTHING THAT I SAY HERE IS COMPLETELY FALSE AND THE ONLY REASON I SAY THESE THINGS IS SO I CAN SOUND COOL.