Methods to Shock a Pool The Proper Method

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Stunning your pool frequently is an easy approach to forestall stray algae and micro organism from taking root in your water. It additionally helps preserve your pool smelling … effectively, hopefully like nothing in any respect.

What’s Pool Shock?

Pool shock is a chemical that oxidizes chloramines in your pool water. “Stunning” your pool can also be a course of referred to as superchlorination. By surprising your pool, you’re including sufficient chlorine (or one other chemical) to sanitize the water and destroy the buildup of chloramines.

Chloramines kind when chlorine mixes with the nitrogen in sweat, oils, and urine. This can be a pure chemical course of, principally a byproduct of your chlorine doing its job.

Assume again to the final time you walked previous a lodge pool. The robust chlorine scent really comes from chloramines, an indication of improperly sanitized water.

Stunning your pool can even assist clear up cloudy water and kill pool algae progress in case your pool is inexperienced.

Additionally, should you’re in search of extra assistance on caring for your pool, we’ve created a full video course overlaying all the pieces it’s good to find out about your pool, clear it correctly, and attempt to make water chemistry tremendous straightforward for you. Try our Pool Care Video Course and Handbook right now!

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The Pool Care Handbook

Forms of Chlorine

Earlier than we dive into shock a pool, you first have to know the distinction between whole and free chlorine, and mixed chlorine and breakpoint chlorination.

  • Free Chlorine (FC) is the quantity of pool chlorine actively disinfecting your water. You need your water’s FC degree to be between 1 and three components per million (ppm) so the chemical can do its job.
  • Mixed Chlorine (CC) is the quantity of chlorine that’s been used. It’s nonetheless within the water, however its sanitizing energy is vastly diminished. You need to preserve your CC degree at lower than 0.2 ppm.
  • Whole Chlorine (TC) is the sum of FC and CC in your pool. Pool water testing kits can measure the FC and TC of your water. To seek out the CC of your pool, merely subtract the FC out of your TC.
  • Breakpoint Chlorination is when you have got sufficient FC to shatter the molecular bonds of chloramine. You must add ten instances the quantity of CC to hit this level.

Attempt to attain the breakpoint each time you shock your pool. Not hitting the breakpoint may end up in much more chloramines in your pool, and if the chloramine ranges proceed to rise unchecked, chances are you’ll finally should partially and even totally substitute your water to repair the difficulty.

If you wish to be taught extra in regards to the distinction between free and mixed chlorine, we wrote a full article about it right here.

Forms of Pool Shock

You typically can’t shock your pool utilizing common chlorine tablets, however you do have your alternative of merchandise in relation to pumping up your chlorine ranges.

1. Calcium Hypochlorite Shock

Also called cal hypo, this chemical has been used to disinfect swimming swimming pools and municipal water sources since 1928. It’s some of the cheap and handy methods to shock your pool.

  • Most industrial variations include between 65% and 75% chlorine.
  • Calcium hypochlorite must be dissolved earlier than you add it to your pool.
  • It should be used after nightfall.
  • It will likely be roughly eight hours earlier than you possibly can safely swim once more.
  • It provides about 0.8 ppm of calcium to your water for each ppm of FC added, so use warning in case your water supply already has a excessive degree of calcium.

Our Prime Choose

Calcium Hypochlorite Shock

Calcium Hypochlorite Shock

Use the whole contents of the bag when opened. If any granules settle to the underside of the pool use brush to disperse. Add the best dosage of this product throughout night hours whereas the filter pump is operating.

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2. Lithium Hypochlorite Shock

In case your water has excessive calcium content material, and also you don’t thoughts paying a bit of further, lithium hypochlorite is the best way to go. It dissolves far more rapidly than calcium hypochlorite, so you possibly can add it on to your pool with out dissolving it beforehand.

  • Business variations include 35% chlorine.
  • It should be used after nightfall.
  • It will likely be roughly eight hours earlier than you possibly can safely swim once more.
  • It may be poisonous to aquatic life (making it a stable algaecide), so you could take care when disposing of lately handled water.

Notice: You might have a troublesome time discovering lithium hypochlorite. Some pool chemical producers have stopped producing it because of the rising value of lithium, most of which is now used to make lithium batteries.

3. Dichlor Shock

The precise names of this swimming pool shock chlorine are sodium dichloro-s-triazinetrione or dichloroisocyanuric acid. (Strive saying both of these 5 instances quick.) Dichlor shock is way simpler to say and even simpler to make use of. Relying on the model, you could possibly add it on to your pool. Additionally, you should utilize this kind of shock for saltwater swimming pools.

  • It usually comprises between 50% and 60% chlorine.
  • You need to use it for each common chlorine doses and shock remedies.
  • You usually don’t should dissolve it forward of time.
  • It provides 0.9 ppm of cyanuric acid for each ppm of extra FC.
  • It should be used after nightfall.
  • It will likely be roughly eight hours earlier than you possibly can safely swim once more.

4. Non-Chlorine Shock

If you happen to’re seeking to shock your pool and take a dip quickly afterward, that is precisely what you want. Non-chlorine shock utilizing potassium peroxymonosulfate is a quick, cheap pool shock different. That is the popular shock for saltwater swimming pools.

  • You’ll be able to add it on to your pool water at any time.
  • It will likely be roughly quarter-hour earlier than you possibly can safely swim once more.
  • As a result of it doesn’t depend on chlorine, it doesn’t perform as an algaecide.

Our Prime Choose

Chlorine-Free Pool Shock

Chlorine-Free Pool Shock

Highly effective oxidizing agent that eliminates mixed non-sanitizing chlorine (chloramines) and offers larger free chlorine ranges. Helps get rid of algae progress in addition to dangerous micro organism. Supreme to be used with chlorine or bromine sanitized functions, weekly upkeep, and won’t have an effect on different chemical ranges

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When to Shock Your Pool

The directions on chlorine shocks say they must be used after the solar has gone down. It’s because the solar’s uv rays burn off unstabilized chlorine, which suggests the shock gained’t be as efficient. Stunning your pool at night time makes certain the chemical substances work the best way they had been meant to.

How Usually Ought to You Shock Your Pool?

We advocate surprising your pool as soon as per week, or at the very least as soon as each different week to correctly preserve sanitized water chemistry. The extra usually you utilize the pool, the extra usually you must attain for the swimming pool shock. Along with your weekly or semi-weekly remedies, chances are you’ll need to carry out an additional pool shock underneath sure circumstances, akin to after:

  • heavy pool use (like a pool occasion)
  • a extreme rainstorm or damaging winds (particularly in case your pool collected particles)
  • a serious water degree change
  • a bowel-related pool accident

Consider further shocks as insurance coverage towards wayward algae and different contaminants. It’s higher to take out any micro organism earlier than it has an opportunity to have an effect on the standard of your water or make anybody sick.

Methods to Shock a Swimming Pool The Proper Method

Superchlorinating your pool is shockingly (sorry, we couldn’t resist) straightforward when you get the hold of it. Additionally, this course of works for any kind of swimming pool together with inground, above floor, and small inflatable or quick-set swimming pools.

Necessary: Keep in mind, should you’re utilizing chlorinated pool shock, wait till the solar goes down earlier than including it.

Provides For Stunning Your Pool

Earlier than you begin, you’ll must calculate your pool’s quantity. If you happen to don’t already know the way a lot water your pool holds, you should utilize this pool calculator to determine it out.

Pool Quantity Calculator
Click on in your pool form to calculate the amount of water.

1. Check The Pool Water

Do a fast spherical of pool water testing. The Free Chlorine degree ought to be decrease than the Whole Chlorine degree. This implies your Mixed Chlorine degree is off and it’s time to shock your pool.

Additionally, verify the pH and alkalinity ranges. Ensure your pH degree is between 7.4 – 7.6 and your alkalinity degree is between 100 and 150 components per million (ppm). This may stability the pool water chemistry so the shock therapy is simpler.

You can too verify your calcium hardness degree to ensure it’s in stability with the pH and Alkalinity. In case your pool has a vinyl or fiberglass liner, the calcium hardness degree ought to be between 175 components per million (ppm) and 225 ppm. In case you have a concrete or plaster pool, preserve the extent between 200 ppm and 275 ppm.

2. Pre-Dissolve Pool Shock

Rigorously learn the producer’s directions in your shock product. Most packages embody charts or steps that will help you calculate the quantity of shock you want. If it’s good to calculate it your self.

If it’s good to dissolve the shock first, fill your bucket roughly ¾ full with heat water. Add the shock to the bucket, and slowly stir till the chemical is as dissolved as doable. Work in one-pound increments.

3. Add Pool Shock To Water

If you do not want to dissolve your shock, depend what number of containers of shock you want. Add one bag at a time till you attain your calculated breakpoint.

At this level, ensure that your pool pump and pool filter are operating at full pace. This may assist combine within the shock extra successfully. Maintain the system operating for at the very least 8-12 hours after including shock.

Slowly pour the shock whereas strolling round your pool for extra even distribution. (In case your shock-water combine has stable particles on the backside, dip the bucket into your pool water, rigorously swish round to dissolve, and preserve pouring.)

Wait to make use of your pool primarily based on once you added the shock and the producer’s suggestions. You don’t need to irritate your pores and skin and eyes or bleach your swimsuit.

Methods to Shock a Saltwater Pool

Is it okay to shock a saltwater pool? Plenty of pool house owners suppose saltwater swimming pools are totally different from conventional chlorine swimming pools. However the salt within the water passes via a generator which turns it into chlorine. All saltwater swimming pools are literally chlorine swimming pools. The one profit is that you simply don’t have so as to add the chlorine your self. It’s being generated by your filter system.

This implies you possibly can shock your pool utilizing the standard shock strategies outlined on this article. Nonetheless, we advocate solely utilizing Dichlor or non-chlorine shock for saltwater swimming pools.

You don’t at all times should shock the pool this fashion. Most saltwater turbines embody a “tremendous chlorinate” button that ramps up the manufacturing of the chlorine it produces serving to you get to breakpoint chlorination, thereby “surprising” your pool.

And identical to a conventional pool, we advocate doing this one per week or each two weeks relying on climate and utilization. For heavy rain and/or excessive utilization, shock your saltwater pool as soon as per week.

Pool Shock Security

Stunning your pool is a crucial a part of good upkeep, however please keep in mind these chemical substances may be extraordinarily harmful in the event that they’re mishandled. We’re not exaggerating the hazard—improperly saved chlorine can actually explode.

  • By no means add shock via your pool skimmer, particularly if in case you have an automated chlorinator. When the shock therapy mixes with the chlorine, it causes a harmful fuel, which may result in your chlorinator exploding! We’ve seen it occur a number of instances.
  • At all times put on protecting gear—particularly goggles and chemical-resistant gloves—when dealing with and dissolving chlorine. Pool shock, particularly calcium hypochlorite, can typically launch small quantities of chlorine fuel. Sporting protecting gear will help forestall eye and pores and skin irritation.
  • Do your finest to keep away from immediately respiratory from the containers. Publicity to chlorine fuel may cause throat and lung irritation. You most likely don’t want a mud masks, simply attempt to not breathe too near the container. If it makes you’re feeling safer, although, you should utilize a chemical masks.
  • By no means, ever combine sorts of pool shock. We don’t need you to turn into a house science experiment gone improper. Mixing liquid chlorine and even dry chlorine granules may cause a unstable response. Add every chemical to your pool individually.
  • Don’t add shock on to the pool water except instructed to take action. If the bundle says dissolve earlier than including, ensure that to just do that.
  • Solely open one container at a time. If it’s good to use multiple container of shock, be sure to fully empty out every container earlier than shifting on to the subsequent one.

Incessantly Requested Questions About Stunning Your Pool

In search of extra assist with surprising your pool? Listed here are some widespread questions and solutions.

Are chlorine and shock the identical factor?

No. There are variations of shock which have chlorine, like Calcium Hypochlorite. However some pool shock remedies haven’t any chlorine. Nonetheless, you should utilize a excessive dose of liquid or granular chlorine to shock your pool.

Can I shock my pool with out the pump operating?

We advocate operating your pump and filter once you’re actively surprising your pool and for at the very least 8-12 hours after. If you happen to don’t run your pump and flow into the water, you run the danger of bleaching your pool partitions and flooring should you’re utilizing chlorine shock.

Can I swim 12 hours after surprising the pool?

It’s often secure to swim after letting the shock flow into within the water for at the very least 8 hours. Nonetheless, we advocate testing the water’s chlorine degree earlier than swimming. A excessive chlorine studying could also be uncomfortable and harmful to swimmers.

Does pool shock work in chilly water?

Sure, however it doesn’t matter what the temperature of your pool water, we advocate dissolving shock in a bucket of heat water earlier than including it. This may assist dissolve the shock so it doesn’t sit on the underside of your pool and trigger bleaching. Plus, it helps it to combine into the water higher and sooner.

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Completely satisfied Swimming!

Matt Giovanisci is the founding father of Swim College® and has been within the pool and spa trade since 1995. Since then, his mission is to make pool and sizzling tub care straightforward for everybody. And annually, he continues to assist extra folks with water chemistry, cleansing, and troubleshooting.

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