shock treatment

Hello! I am new to owning and this is my first time opening one up. I attached some pics of how it looks today after double shocking it yesterday evening around 8pm. I left my pool on circulate since I have a sand filter and didn’t want algae getting stuck in there. I’m not sure if that was the...

Hello, First week taking care of my own chemicals and I used the HTH strips and it said I needed 2 pounds of shock. I bought the granular shock and only put in one pound, and good thing as it just settled on the bottom even after three rounds of brushing it around. Now my FAC /bromine is way...

So I was gifted a use intex pool (10' by 30") and I shocked it yesterday using 2.4 ounces of clorox pool shock plus, and this morning I tested the water and the chlorine levels are still 0, but the PH has suddenly dropped. Yesterday when I tested the chlorine was 0, and ph was 7.2. But today...