What ppm is shock level?
Subtraction of free from Total will yield the amount of combined available chlorine (CAC), commonly known as chloramines. When a level of 0.3 ppm is reached, a good pool shocking is indicated.
What happens if you over shock a pool?
You cannot overshock a swimming pool or add too much. Adding too much shock or overshocking your pool will kill off algae. The negative of adding too much shock is it will upset the chemical balance of your pool.
How much shock Do I need to open my pool?
For pool startup, it’s best to double shock your pool, meaning that you add two pounds of chlorine shock for every 10,000 gallons of water. After shocking a pool, aim to have chlorine at 10 ppm. After this routine, your pool should be good to go.
How do you shock a pool with PPM?
How to Shock a Pool
- Check pH level and adjust if needed to a low-range pH of 7.1-7.3.
- Clean the pool to remove leaves and debris, remove pool cleaner.
- Determine how much shock is needed to fix the situation.
- Add shock directly to the pool, vinyl pools should pre-dissolve chlorine shock.
How much shock do I need for a 15 gallon pool?
Typically for granular shock, you’ll need one pound for every 10,000 to 13,500 gallons of pool water.
Does shock increase pH?
When you shock a pool, you test and adjust the pH level for a reason. With that said, if you shock a pool outside of the 7.2 to 7.4 pH range, not only will you waste a significant amount of the chlorine used, you will also end up with cloudy water.
How long after shocking pool will it clear up?
Keep your pump and filter running. Give the shock a good 12 to 24 hours to work it’s magic. If the algae hasn’t cleared up after 24-48 hours, clean and brush the pool and add another shock treatment.
Do I need to shock my pool when I open it?
KNOW WHEN IT’S TIME TO SHOCK: Shock your pool when you open it for the season to kill algae that has developed in the Spring. AFTER A PARTY OR HEAVY USE: People carry bacteria and chlorine levels can drop drastically when there are many active swimmers using a pool.
Can I swim 12 hours after shocking pool?
After Shocking Your Pool It is safe to swim once your chlorine levels are around 5 ppm or after 24 hours.
Can I shock my pool with bleach?
You can also simply add more chlorine, and pouring household bleach into the pool is one way to do this. Be sure the pH is in the proper range — between 7.2 and 7.8 — and add the bleach in the early evening to avoid having most of it degraded by sunlight.
What if my pool has a 6.8 pH?
To raise the pH levels in your pool, try adding sodium carbonate (soda ash) or sodium bicarbonate (baking soda) until your pool’s pH levels are between 7.2 and 7.8.