Does Pool Shock Raise Chlorine Levels

Free chlorine is just that, free. Free to interact with other chemicals, algae, bacteria or the like. … Shocking then releases the combined chlorine and off-gasses the contaminants, increasing the amount of free chlorine in your pool or spa.

How much does pool shock raise chlorine levels?

When you’re shocking a pool, the goal is to raise the free chlorine level of the pool water to roughly 10 times the combined chlorine level. Reaching this mark is the breakpoint chlorination. Shocking a pool should be done at dusk.

Are chlorine and shock the same thing?

1) What is the difference between chlorine and shock? … Chlorine is a sanitizer, and (unless you use Baquacil products) is necessary for maintaining a clear and healthy pool. Shock is chlorine, in a high dose, meant to shock your pool and raise the chlorine level quickly.