I've heard of folks using the little green army men in a wet/dry set up. Anything you put in there bacteria will grow on. I have pot scrubbies in most of my HOBs.
Side not I was eating pistachios and was wondering if you could use the shells as a bio homes. I would have to test the water make sure they don't leach anything.
Side not I was eating pistachios and was wondering if you could use the shells as a bio homes. I would have to test the water make sure they don't leach anything.