Yall wanna know how to do it....Here it goes.
1. Pick your container
2. Get RV in line water filter at walmart. (screws on to the end of your hose)
3. Get Aquarium air pump and large stone
4. Fill container with filtered water
5. Add Finer Shiner or other addetive to water
6. Put minnows in
7. Change 50% of water 2 times a week
8. Go fishing

Ive kept em alive in a 48qt cooler for weeks like this even in the summer