I have a above ground pool,26x15x54" (9000 gallons approx.) Filled it about a week and a half ago(been raining) now finally have the opportunity to put the chemicals but dont know where to start. I have a starter chemical kit but I m confused to the instructions and want to make sure I get it right since this is my first time and want to use it tomorrow. I use the strip and said alkalinity is at 180, free chlorine is at 0.5/1, and pH is at 8.2. I checked it in one area of the pool only. Please can anyone let me know what I should put in first? All me pool places are closed Sunday and closed early today. TIA