I have used one for about 3 weeks now. My chameleon took to it right away, I saw him drink out of it as soon as i put it in. However, I have not seen him since. I can only assume he is still drinking from it because his Urates are white and he doesn't drink when I mist.
As far as bacteria...
You can try wearing gardening gloves if you're afraid of being bit. Another method would be to get a stick that is strong enough to support him, coax him onto it and then pull out the stick.
I have a small digital postage scale that i use. I put a Tupperware container on the scale and then put him in the container. I have to get the reading quick because he is fast moving. As far as how often? It's completely up to you. I like to weigh mine once a week but that's because i have...
I've been dealing with the same issue. I bought Dubia and started a colony only to find out that he doesn't like them. I've been trying to trick him into eating them by putting them in with the crickets but I'm still getting minimal results. Sometimes he shoots and picks up a Dubia with the...