You need to be doing water changes, not full cleans. A full clean will never get your tank cycled. Do not do that. Do a water change, which is a partial removal of water and replacement with clean water.
You need to buy the proper testing materials. A test kit will be available at any pet store that sells fish. This is a must have.
You need a thermometer strip for your tank. If you cannot keep your tank under 70 degrees, you should not have an axolotl. Clip on fans are easy to get, and you can face them over the tank water, which will cool it down.
He isn't eating because of moving stress, temperature changes, and bad water quality. Worry about eating after you've fixed all of your issues.
I keep recommending guides that are easily available on this site. You will be able to fix your issues if you take the time to actually read them. I have already recommended the guide for cycling your tank, and this site has many resources on that.