Welcome to TFP Clueless! Yes a lot to learn but it will become second nature before long. Order a recommended test kit and here's a few links to get you started. Accurate self-testing with a proper test kit (one with a FAS-DPD chlorine test) is the core of having a trouble free pool.
For the test kit, I recommend the TF-100 XL with Speedstir from tftestkits.net. TF-100 Test Kit ™
When you have a minute, please complete a signature like mine noting your pool and equipment details. It will help folks here provide detailed responses. Feel free to start any threads in the appropriate forum.
Welcome to TFP! For a wealth of pool care information please check out our free Pool School. If you are in need of specific help then we encourage you to Register and ask us here in the forum!