I converted my 20gal and very pleased with Black Jungle's Conversion Kit. It was inexpensive and easy to do though you might need an extra pair of hands. Looking back, I believe what you are witnessing now with your froglets, is the most bonding moment you will have with your long time relationship with your new friends. Take pictures, you'll appreciate them so much as time goes by. I read somewhere, that the right leg is the last to come out, and at the very moment, the gills slam shut and the froglet takes its first breath using its new lungs. Amazing isn't it. What must he think of his new world when he takes that first breathe. The owner of the froglet who took the Photo of the Month March 2012 captures that moment.