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    Pool Shock

    1. 7 months ago
      Great price for great products.
      Great value compared to other places, glad I didn’t get price gouged by the chain stores.
    2. 7 months ago
      Great Value
      We always get our pool products here and are never disappointed.
    3. 1 year ago
      Excellent product
      Very happy with the results and easy of closing pool
    1. 9 years ago
      No more rashes!
      We have had our above ground pool in use for the past 11 years. We were always using cholorine granular on a daily basis. Last year my husband developed a skin rash every time he went in the pool so we had our water tested. Our Cyanunic Acid level was 268ppm. The norm is 30-80ppm. We were advised not to use our pool. When the level of cyanuric acid rises, the “killing power” of the free chlorine residual weakens. At above 50 ppm of cyanuric acid, the time it takes to kill bacteria in the water ... read more is much longer compared to swimming pool water without cyanuric acid. When the level of cyanuric acid builds up, the chlorine becomes increasingly less effective in keeping the water clean and problems such as high bacterial and algae growth can occur. We were advised to drain our pool and start over, which we did. We now only use the Chorine free shock daily and our levels are now in the normal range and our pool is clean. No more rashes! I would have never known that cyanunic acid would have built up in our pool so much over the years and cause bacteria. We definitely recommend using the chlorine free shock and will continue to do so.
    2. 10 years ago
      Great Product
      This is a great product.. I use to use chlorine shock and I would have to mix it in a bucket of water before adding it to the pool and it still made the water cloudy...After switching to the Chlorine-Free Pool Shock I don't have to waste my time mixing I just pour it directly into the deep end of the pool and walk away... My water stays perfectly clear and the kids can jump right in..
    3. 6 years ago
      Great on my skin
      I have a fair skin complexion making me highly susceptible to chlorine. I originally thought I could get by with just using this and not using Chlorine in my pool. Nope don’t make that mistake, that was a rookie move I had made many years ago until I found my pool having mustard algae and a huge chlorine demand. Wound up forking out a lot of money to bring my chlorine levels back up to par, but I paid for the lesson. So while you still need chlorine to effectively balance your pool, this is ... read more great for weekly shock treatments and upkeep which is easier on my skin then standard chlorine treatments.
    1. 2 weeks ago
      Value on Granular Chlorine
      Very good product. Easy to purchase with value price including shipment
    2. 5 months ago
      So far, so good
      Had too much CYA from “stabilized chlorine” and needed to lower, this product gave me chlorine without CYA, and I’ve had seen my CYA lowering since using it (have had to pump pool few times due to rain) but I use about 6-8oz every other day for 20k gallons, and have had no issues. Was worried about price paid and thought of it not lasting long, however, I’ve hardly put a dent in the bucket, and probably could make a full season last from one bucket at the rate I’m using currently
    3. 9 years ago
      Keeps pool sparkling
      The granulated shock is easy to use and dissolves quickly. We prefer this to the packaged shock. It works just as well and leaves less waste (plastic packaging). It's effective at keeping our pool water clear and sparkling. It looks so inviting!! We live out of the 1 day delivery zone, but we still received our order very quickly, which is important to me. I've ordered this product from In the Swim for several years now and have been very pleased, both with the product and the service.
    1. 2 years ago
      GOOD SERVICE
      I have been operating a pool for about four years. In the past I would pick up chemicals at pool supply stores or large discount stores. I always had issues finding what I needed when I needed it or paying too much also everyone's product worked reacted differently. In the swim has been a great solution to many problems. I am busy and generally order my chemicals at night after the kids go to bed, I have found that having in the swim deliver the chemicals to my front door is by far the ... read more easiest way to take care of my 10,000 Gallon pool. I have consistent chemicals that work great! My pool is now always crystal clear and it is easy to maintain the balance.
    2. 1 year ago
      chlorine
      Works just like the very expensive chlorine other stores sell.
    3. 1 year ago
      Excellent product
      Great product for quick clorine adjustments. I use it in combination of float with 3 in tablets.
    1. 1 year ago
      Good standard strength pool shock, great price!
      I have a 15,000 gallon pool so need to use 2 of these bags each time, but even at that the price was better than I could do locally and it saved me a trip to the pool store. There's not much more to say about a bag of chlorine shock - it is what it is advertised to be.
    2. 4 months ago
      Excellent product
      I have been using this product from in the swim for several years now and have absolutely no complaints! This shock is as good as any other I have ever used. It works great for spring opening ! I only need to use one bag in the spring to open my pool and then one bag approximately every week to maintain crystal clear water! Excellent Shock for the price!
    3. 1 year ago
      Best shock ever!
      I will only use this shock from now on!!!I've never had any luck opening our pool without completely draining it ( always bought Walmart shock). I added 8 bags yesterday to lime green water and today the green is gone! By tomorrow our pool should be crystal clear! Very quick shipping a great product at an affordable cost! In the swim customer now for life!
    1. 6 years ago
      Love this Stuff!
      I am still just a few years into owning an above ground pool. The first year was a disaster. The second was not a huge improvement. It was expensive, burdensome, frustrating and stressful. I was at the local pool store several times a week One day I ordered shock from In The Swim. I was hooked. It is August and my water has been sparkling clear all summer. All of my chemicals come from here. I get compliments on my clean water all the time. Best of all I enjoy the pool. I can finally say I am ... read more happy that I bought a home with a pool. I highly recommend their chemicals. As a bonus you will save tons of money.
    2. 1 year ago
      Wonderful Products!
      I've been purchasing our pool supplies from In the Swim for 5 years now, and we haven't had one issue with the pool. Routine shock, ph, chlorine, but nothing else. In the Swim will be our only supplier while we have a pool. Thank you!
    3. 2 years ago
      Great results!
      This is our first year in our new house, and the pool had been poorly taken care of by the previous owners. The water was cloudy even after an almost complete water change and balancing. Then it turned green. Yuck! The pool shock we bought from our local pool store was not cutting it. Saw this online and figured it was worth trying. So happy we did! This in combination with Super Floc Out cleared the water right up. Now we use Super Pool Shock once a week to prevent new algae growth. I won't use anything else!
    1. 7 months ago
      The BEST!
      I tried this last season when there was a special on it. You get what you pay for . BUY THIS. Dump in and walk away every week. Clear Water, no headaches. Compliments on the pool clarity to follow. Excellent product well with the added $$. Thanks again intheswim for keeping pool maintenance simple.
    2. 7 months ago
      Best shock thay I have ever used.
      I got a box of 12 bags & I'm glad I did. It does more than shock. I have a fibreglass pool and had trouble with staining when I shocked with a different brand, it also dissolves quickly
    3. 2 months ago
      Great Shock for Price and Excellent Pool Water
      Best Shock I've ever used in 25 years. Very efficient results with less use than in the past with lithium shock
    1. 4 years ago
      Cheaper then Liquid
      My second year with this product. Works great, quick delivery.
    2. 4 years ago
      Excellent Product
      I tried the instant chlorine and it works great. I put in my pool every eight days and the water is clean and a nice blue. I like it better then the liquid chlorine due to the fact that the containers always leek when I buy them at the hardware store.
    3. 1 week ago
      Good job.
      Works great for me, does a good job. Helps me get the pool ready to winterize.
    • 2018-12-14
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    In The Swim Knowledge Pool: Swimming Pool Shock

    In The Swim's Dr. Pool

    Shock Treatments for Swimming Pools

    Granular chlorine is a convenient way to sanitize and disinfect pool water. Used in small amounts, swimming pool shock can raise chlorine levels quickly for a pool found to be lacking. In larger amounts it will easily super-chlorinate or hyper-chlorinate pools for removal of cloudy water, chloramines, and disinfectant by-products. Most importantly, swimming pool shock quickly destroys pathogenic bacteria, viruses and microbes found in pool water. 


    The Many Types of Pool Oxidizers

    •  - Di-Zap Multi Shock is stabilized, and can be used daily in pools, spas and fountains without calcium build-up.
    •  - Pool Shock and Super Pool Shock from In The Swim is suitable for all purposes, sold in bags and buckets.
    •  - Non-Chlorine pool shock does everything that pool shock does, with exception to killing heavy algae blooms.
       

    The Many Uses of Pool Oxidizers

    •  - Restores clarity to cloudy pool water
    •  - Kills pool algae strains of all types
    •  - Sanitizes to destory bacteria of all types
    •  - Removes chloramines and other chlorine byproducts
    •  - Breaks down organic and non-organic matter, and bather waste
    •  - Raises chlorine levels quickly when found to be near zero
    •  - Removes stains on plaster, pebble and fiberglass pools
       

    How To Shock a Pool

    •  1. Clean the pool of debris before shocking a pool
    •  2. Balance the water chemistry and adjust pH to 7.2-7.4
    •  3. Each pound of pool shock can deliver between 7-9 PPM, per 10,000 gallons of pool water
    •  4. Add enough to reach a target threshold of 10, 20 or 30 PPM, depending on water condition
    •  5. Brush the pool, and run pool filter for 6-8 hours following super-chlorination
    •  6. Keep solar covers safely stored off the pool until high chlorine level subsides
    •  7. Check chemistry levels within 24 hours and adjust as needed, if chlorine is found to be zero, repeat shock treatment
       

    Pool Shock Treatment Tips

    •  - Always add chlorine to water, Never add water to chlorine
    •  - Always use the entire bag, Never store half-used bags of shock
    •  - Distribute the chemical around the pool, Never pour into the skimmer
    •  - Always adjust pH level to the low side, 7.2-7.4, where chlorine is more potent
    •  - Brush the pool after shocking, with a stiff pool brush, or a stainless steel bristled algae brush
    •  - Vinyl pools should pre-dissolve pool shock. Pour into a bucket of clean water and stir until dissolved
    •  - Sweep up any spills immediately, and add directly to the pool.
    •  - Never mix chlorine granules with any other type of chemical, or anything except water.

    For More Info See our Pool Shock eGuide:

    Pool Shock eGuide

    Read More | Download