I started this very same thread on another forum. Seems like the idea was new and exciting. It was published in a newsletter and has been a hot topic ever since. If the international hobbyists loved the idea then I'm certain you guys will love it too. Here's the post that started it all.... It's basically a container transformed into a pond. It is however Non-filtered and non heated. I ran this setup for 4 months with 5 mollies. I ended up with 50+ juveniles and adults at the end of the warm season. I gave away every single fish before I had a problem on my hands. Has anyone tried this yet or planned to? WARNING: WATER CHANGES ARE ESSENTIAL OR YOU WILL HAVE GREEN WATER IN NO TIME AT ALL. ONLY USE THIS SETUP IN THE WARM SEASONS OF SPRING AND SUMMER. DON'T TRY THIS WITH COMETS OR GOLDFISH. THEY MIGHT JUMP OUT OF THE WATER. USE ONLY SUITABLE LIVE BEARERS OR COLD TOLERANT FISH LIKE BETTAS. DON'T TRY BREEDING - THIS SETUP INCREASES BREEDING RATES DRAMATICALLY! UNLESS YOU HAVE BUYERS FOR YOUR FISH, STAY AWAY! ADDING PREDATORY FISH LIKE TIGER BARBS MAY CONTROL POPULATION.