Ben,
Thank you for all of the information!
One question I did have was regarding our ozone-chlorinator; the pool company told me today that with the ozone system, the likelihood of algae growth is minimal, which is why they felt comfortable with them advising to take our chlorine down so low. Do you know anything about the ozone system in regards to this? Like you stated in your reply, I really don't want the WORST of both worlds! But I spent quite some time with them (the pool guys) today and they had me feeling pretty confident in their plan when I left.
Thanks again!

Amy