New to the page. I work at an animal hospital in Wilmington, DE where we have an endless pool and an external underwater treadmill hooked up to the pool. I've never known much about pools, but I've been doing the general maintenance on it for about a year. We put a lot of dogs in the water and dirty water from the treadmill gets dumped into the pool. I've been tasked with figuring out how to put on a solar cover onto the pool. My dilemmas is that when I put the cover on the pool (where it sits on the water), the water does not filter then I come in the next morning with gross water and a gross cover. I've been trying to figure out how to make our existing cover sit off of the water so that it can filter, and reduce the ridiculous humidity in the pool room after we swim a dog. I've read different pages that say that the pool filter should have no trouble filtering the water with the solar cover on, but the water in the pool seems to be worse than when I put it on. I check the indoor pool levels every 2 weeks and every single time, all the chemicals values appear in check and I've never needed to add any aside from 2-4 cups of bleach per day. When the pool is not covered, it seems to filter very well. Any advice or obvious pool things that I'm missing would be great. Thanks for reading!!!