We'll be straightforward...you will have problems with your pool, water, chemicals, equipment, plumbing, electrical, and other parts and pieces of your pool. Problems with your pool are inevitable.
You must be able to deal with these problems.
You must be able to do some troubleshooting so that you can remedy some of these problems on your own, particularly those dealing with pool chemicals and a loss of water chemistry and clarity.
You must also be able to do some troubleshooting to communicate the more significant problems to your local pool professional, service technician or contractor.
Let is be clear that if there is any concern or trouble with the pool electrical, then contact a LICENSED ELECTRICIAN. Do not attempt to troubleshoot or repair any issues or problems with the electrical to the pool.
You can read the Pool Manual for additional information about pool problems and how to troubleshoot and remedy these problems.