We’ve had our pool for 4 years now. We started out with a SWG. And my husband has dealt with it all. This year when we opened the pool, the SWG is not working. I’m not spending 1600.00 to purchase a new one right now. So, I thought I’d take the pool responsibilities over and start to manually chlorinate our pool myself. Problem is....I have no clue what I’m doing. A friend of mine told me about this site. I’ve read and educated myself alittle from the ABC’s that you’ve provided. However, I’m stuck at where to start. I just received the Tf 100 test kit. I was told to get my CYA right first. Not sure if that’s true, but I tested it and it’s at 100. From what I’ve read, I need to waste some water. So, I’m in the process of that now. I was thinking, I’d drain alittle and restest, and continue doing so until I get it down between 40-50. Any recommendations or advice?