We do the same thing, have for 2 years now with no problems.hevmando said:fwiw we started putting a chlorine tablet meant for a swimming pool in our stock tank. No algae, no black scum, just rust sediment on the bottom. Helps the transition to city water at the shows also.
....or just clean them out with bleach....seems more practical dosen't it?Shorthorn Girl said:i have heard about putting some rocks in the bottom and keeping fish in there to eat alge and other things growing. ive heard it works really well, you just have to bring them in for the winter though