Is pool shock all the same?

Author: Lambert Funk  |  Last update: Friday, May 13, 2022

There are four main types of pool shock: calcium hypochlorite, sodium hypochlorite, sodium dichloro-s-triazinetrione, and potassium monopersulfate. Calcium hypochlorite is the most commonly used pool shock with a typical chlorine level of between 50 to 80 percent.

Does it matter what kind of pool shock you use?

The type of shock you should use will depend on your water chemistry and the reason you're shocking. If the water is green, you should use a cal-hypo shock. However, if you're shocking as part of weekly maintenance and your pool looks clean, you can use sodium dichlor, potassium monopersulfate or sodium hypochlorite.

Can you use different brands of pool shock?

Don't mix them in the same container. In the pool it's okay because of the water volume (the products are diluted more). But NEVER mix them both in the same bucket or chlorinator.

How do I choose shock for my pool?

What Type of Shock Is Best?
  1. If your calcium hardness level is high, avoid calcium hypochlorite shock, which will contribute to even higher levels. Choose Di-Chlor or Non-Chlor shock instead.
  2. If your cyanuric acid level is hHigh, avoid Di-Chlor shock, which is stabilized and will contribute to even higher levels of CYA.

Can you mix pool shocks?

You can add some granular pool shock to your swimming pool directly, but most varieties need to be mixed with water before use. Mix the granular pool shock with water ahead of time, if necessary. This will save you time and help prevent calculation mistakes. Pre-mix the pool shock in a five-gallon bucket.

Is pool shock and chlorine the same thing?

Can I shock my pool without the pump running?

Neither will chlorination be effective with a diffuser and without a pump. The best thing to do is to apply liquid chlorine in the pool. Then, you have to circulate the pool manually with the use of a telescopic pole or paddle. This will ensure the chlorine disperse well.

What happens if you put too much shock in a pool?

What happens if too much shock is added? 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 often should I shock my pool?

How Often Should I Shock My Pool? Shocking your pool regularly will help to keep the water clean and free of contaminants. You should aim to shock your pool about once a week, with the additional shock after heavy use. Some tell-tale signs that your pool needs to be shocked are cloudy, foamy, green, or odourous water.

Is shock the same as chlorine?

Are chlorine and shock the same thing? SKIMMER NOTES: No. Chlorine and shock are not the same thing. Shock has a more intense chemical strength than the traditional chlorine sanitizers, and it also differs in how you should apply it to your swimming pool.

How many pounds of chlorine do you need to shock a pool?

The Right Amount of Chlorine Shock to Use in Your Pool

*For calcium hypochlorite or powder chlorine, 1 pound is ideal for every 10,000-gallon pool. In case of algae, triple-shock the pool by adding 3 pounds for every 10,000 gallons.

Can I use different brands of pool chemicals?

Most common swimming pool chemicals are incompatible with each other and should never be mixed. Mixing of organic chlorinating agents (such as trichloroisocyanuric acid) and inorganic chlorinating agents (such as sodium hypochlorite) can lead to fires, explosions and chlorine gas release.

Does brand matter for pool chemicals?

When it comes to enjoying your backyard pool or spa, the cleanliness and clarity of the water is critically important. When the question is “Does it matter where I buy my pool chemicals?” the answer is an emphatic “Yes!” ...

What pool chemicals should you not mix together?

Incompatible Pool Chemicals
  • Calcium Hardness Increaser & Sodium Bicarbonate. ...
  • Water Clarifier & Sequestering Agents. ...
  • Chlorine & Calcium Hypochlorite. ...
  • Pool Shock with Presence of Metals in Pool. ...
  • Pool Shock & Enzyme Products. ...
  • Chlorine & Muriatic Acid.

Can I add shock and chlorine at the same time?

It Should Not Be Done Together

This is because when you mix chlorine and algaecide together, it renders both of them useless. Hence, you should first shock the pool and wait for the chlorine levels to fall below 5 PPM.

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.

How long should you run filter after shocking pool?

A pool filter should be run for a minimum of 6 hours after shocking a swimming pool. This is to allow the filter to clean the water and give the shock enough time to fully mix with the pool water. Running the filter after shocking for 24 hours to 7 days is necessary if the pool has a large amount of algae.

Which is better chlorine or shock?

Liquid chlorine and granular shock have the same active chemical that sanitizes your pool, what changes is the strength and the way you use it. Liquid chlorine is less costly, unstabilized and comes in liquid form. Granular shock is stabilized and comes in a solid form that dissolves in your pool.

How long does pool shock last?

So if you buy liquid shock, be aware that it only lasts one to two months at the most before it starts to lose effectiveness. While many swimming pool chemicals stay good for years if stored correctly, some pool-maintenance supplies expire more quickly.

Should I shock pool after rain?

Shocking your pool isn't necessary, although, it's not a bad idea either. If you get an extremely heavy rain fall, you could shock your pool for good measure. This will help fight off any contaminants that the rain may have brought to your pool.

Can I shock my pool 2 days in a row?

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.

Can I just throw chlorine tablets in my pool?

NEVER just throw them into your pool water. This will cause them to dissolve on the floor and it can damage and create a permanent bleach stain to your liner or concrete.

Why did my pool turn green after I shocked it?

Pools can immediately turn green after shocking when they have metals like copper or iron in the water. These metals oxidize when exposed to high levels of chlorine which makes the pool water turn green. Metals in the water are caused by some algaecides and using well water.

Can I shock my pool every day?

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.

How many bags of shock do I need for my pool?

A good rule to remember is to use one bag of shock (1 gallon of liquid chlorine) per 10,000 gallons.

Does pool shock work in cold water?

The best thing about this dry liquid chlorine formula is that it dissolves very rapidly, even in cold water temperatures. We've packaged it in an easy to pour bottle, just walk it around the pool – no need to pre-dissolve.

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