Basically I would like to run a pond with vegetables only and age limit.
What I would like to do is that tied veggies collect waste at the bottom of the sim and send it to the sunny top to convert it into energy. Coding isn't the problem, but I don't even know how the waste conversion works (if it's related to light level), and how to set a waste rich floor. With corpses? A waste levels option would be nice, too.