Im halfway thru my second batch of fish.
Simple set up, air stone, air pump, 2 ten gallon tanks, and 2 jaeger 100 watt heaters.
So far, the results are there, but you have to be careful.
Very hard to maintain water temp in such small water colume. Perhaps if I used 50 watt heaters, that would be better, but having used brand new eheim heaters, my temps fluctuate quite a bit.