Quick Answer: What Does Shocking The Pool Do?

Can you over shock a pool?

Although, if you overdo the shock treatment, you risk getting green hair from chlorine due to the excess chlorine oxidizing the copper in the water.

You can execute a shock treatment with a few different types of pool shock, just be mindful of how much you’re using..

Will Shocking pool lower pH?

Shocking the pool will lower the pH, whether you use chlorine-based shock (calcium hypochlorite), or the non-chlorine kind (potassium peroxymonosulfate).

Should I backwash after shocking pool?

Backwash only as needed. Brush the pool vigorously, several times after shocking the pool. Do not use a solar blanket until chlorine and pH level are normal. If chlorine level drops to zero within 24 hours, Repeat the shock treatment.

Do you need to shock pool if chlorine is high?

If your total chlorine level is high, you will use a non-chlorine shock; if it is low, you will use a chlorinated shock. As a rule, you will need to raise free chlorine to 10 times your combined chlorine to hit what is known as “break point.” Therefore, it is good to deal with combined chlorine while it is still small.

How do you tell if there is too much chlorine in a pool?

Dry hair, sensitive skin and irritated eyes are all indicators of an over-chlorinated pool, but there is a less inconvenient and safer way to find out whether your pool has too much chlorine. A DPD testing kit measures free and combined chlorine levels to give a total chlorine count.

Is chlorine and shock the same thing?

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.

What does pool shock do to pH?

Chlorine based pool shock (Calcium Hypochlorite) has a high pH, and will naturally raise the pH level of your swimming pool water, in addition to changing your chlorine level. … This may eventually raise the calcium hardness level of the water, causing cloudiness or scaling along the water line.

How often should a pool be shocked?

It’s often recommended to shock your pool once a week. If you don’t do it every week, you should at least do it every other week. This is necessary to maintain your pool’s water chemistry. If you have a lot of people over in your pool or have a party, you may want to shock your pool more frequently.

Should you run filter when shocking pool?

Run the filtration system While shocking your pool will help kill any germs any algae, it won’t actually get rid of them; for that, you need your filter. So be sure to run your pool filter for at least 24 hours.

What happens if you swim in a pool with too much chlorine?

But excessive exposure to chlorine can cause sickness and injuries, including rashes, coughing, nose or throat pain, eye irritation and bouts of asthma, health experts warn. Instructions for safely chlorinating a pool usually call for a maximum of four parts per million when people are in the pool.

Can you shock a pool two days in a row?

Will the children swim again? Here’s the deal. It’s pretty tough to over-shock your pool; shocking your pool two days in a row with the proper dosage for your pool volume shouldn’t be a problem – and in fact, is sometimes even needed to rid your pool of algae and other contaminants.

Why is my pool still green after shocking it?

When pool chemicals are not properly maintained it is easy for pH levels to get out of whack quickly leading to a green pool. If you have already shocked your pool and taken pH level samples you may still need to add stabilizers or phosphate removers.

Can too much shock make your pool cloudy?

Sometimes you’ll get cloudy pool water after shocking. This is common and should dissipate over time. Just keep your filter running and it should clear up. Also, look into a new brand of shock (make sure you buy shock that has a main active ingredient of calcium hypochlorite).

How long do you have to wait to swim after you shock a pool?

24 hoursAfter Shocking Your Pool It is safe to swim once your chlorine levels are around 5 ppm or after 24 hours.