Originally Posted by Pogthefish
I usually leave the fish in, but Whenever I take them out, I get the holding container and dip it in the water. They all know what it is by now and whoever wants can swim in. I pull it out and net whoever need it with a brine shrimp net. Then I feed them all a good, hearty meal, while I do whatever I need, and I put them back ^_^ Now they swim into the net, usually!
I find this the easiest when they are near the surface, you slowly dump the cup into water and as the water is rushing into the cup or bowl, the betta goes with the water.