I just got my first puppy! She is ten weeks old. In my backyard we have a large in ground pool and Princess will run around go close to the edge and she hasn't yet hopped in, but one day she accidentally backed into it. I was right next to her so I scooped her right up before she could even go under. How old should she be before I can see how well she swims and if she likes it. Will the chlorine effect her? I'm sooo paranoid that she is going to sink like a rock.....If anyone has any advice on this I would really appreciate it.... Thanks!