Your pool may need to be shocked more often after lots of rain high heat or heavy use.
How to make pool water not cloudy. Instead of the clarifier picking it up use a manual vacuum or pool pump to vacuum the larger debris up with the setting on backwash. Filter aids well to get rid of cloudy water. This will gather or flock the particles in the water and bring them to the bottom of the pool so they can be removed.
Run the pump for at least 8 hours daily. To prevent cloudy pool water. If you are certain your pool is not affected by algae and it is not cloudy too that means you have.
When you use pool floc such as this one from Aqua Chem click here to check the price on Amazon you dissolve the powder in water then spread over the surface of your pool. Once it is present in a pool system calcium is very hard to eliminate and most chemical solutions are not very effective compared to a partial drain of the water. Remember an automatic vacuum cleaner is not going to work in this case.
When in Doubt Add Clarifier Even when the tests are normal chlorine levels are perfect the filter is clean and the circulation is good sometimes your pool water just needs a little boost to stay clean and clear. To prevent the pool water from turning cloudy consider lending some assistance to the pool filter. You have to manually vacuum up the cloudy water by using your pool pump.
Shocking such water disrupts the bicarbonate compounds. If the pool is cloudy though that means you have low free chlorine levels ensure you do chlorine test and if it is below 3 ppm add chlorine shock to raise the level up to 3 ppm total chlorine alternatively if you have a test kit that can test for chloramine ensure that chloramine is 0 ppm or not more than 05 since chloramine is the substance causing a cloudy pool water. Scrub your pool floors and walls using a brush like the patented 360-Degree Bristles Pool Brush which was developed by pool maintenance experts to help get tight corners without any of the aches or pains associated with a good clean.
Also the condition of the swimming pool before it was shocked determines if the water would get cloudy or not. Keep a good supply of chlorine shock and tablets clarifier and water balancing chemicals to make fast corrections to cloudy pool water. But its not that helpful for the debris trapped on.