Can you add pH up and chlorine at the same time?
Keeping this in view, does adding chlorine increase pH?
Using liquid chlorine raises the pH of the water. Liquid chlorine does not raise pH. When added to water, liquid chlorine (which has a pH of 13) makes HOCl (hypochlorous acid – the killing form of chlorine) and NaOH (sodium hydroxide), which raises pH. So the net effect on pH is zero (or almost zero).
Also to know is, can I add pool chemicals at the same time?
Chlorine shock + Sequester Agent: Chlorine shock will also disrupt stain & scale chemicals, aka chelators or sequestering agents, if added at the same time. Add Stain & Scale chemicals a day before or several days after, shocking a pool.
You can even get it mixed in with chlorine tablets or sticks, called trichlor, and in chlorine shock, called dichlor. These combination products are referred to as stabilized chlorine because the stabilizer is mixed right in with the sanitizer, saving you the trouble of measuring and adding them separately.