Hello i purchased a large aquarium over the summer at a yard sale and would like to know the best way to clean it so that i can put my cresteds in it? The woman i purchased it from said her son kept some kind of lizards in it. When i got it home i rinsed it out and stored it in my garage bu know that its getting cold out it needs to come inside. I dont want to risk my crested health so what is the most effective way to clean it and make it safe for them. Would bleach -OR- ammonia sterilize it good enough