Why pool shock

Shock your pool to break up the combined chlorine and release it back to free chlorine. When the time comes, think ahead by cleaning and shocking your pool. How do I shock my pool? Check that the pH levels in your pool are balanced Prepare shock ahead of time in a 5-gallon bucket of pool water and stir.

Ensure the pool pump is running. Pour the mixture from the bucket into the water around the edges of the pool. Let the pump run for about 6 hours or more and test the water. When water tests okay, you are ready to go — dive right in! Sign up to receive our latest blog posts directly to your inbox! Featured Posts.

All About Salt Chlorination. This is also a great opportunity to give your pool a complete clean and inspection. Some supplies to help you do this include robotic pool cleaners, water care chemicals, a skimmer, and a test kit.

For more information about owning and caring for your pool, visit our blog and online resource centre today. At Sundance Spas of Edmonton, we are committed to helping you make the most of your home and backyard space. Visit our showroom for some of the best pool and hot tub pricing around, along with an incredible selection of swimming pools, new hot tubs, used hot tubs, and accessories such as pool and hot tub covers.

Hydropool Swim Spas. When to Shock Your Pool You should shock your swimming pool once a week to keep the water clean and safe. Along with regular maintenance, there are other times it should be shocked as well, including: Opening While your pool has been closed for the cooler months, it may have a build-up of bacteria and algae.

Following Heavy Use Have you entertained guests or thrown a pool party? If you can see the shallow end floor, use a double-dose of shock. But if you can only see down for 12" or 24" into the water, use a 3x-6x treatment dosage. Remember that a Low pH level is crucial to successfully shocking a pool.

At a pH level of 8. At a pH level of 7. Missing the mark sometimes happens when trying to clear adverse water conditions. If you still have a strong chlorine level 12 hours after shocking, and the water appearance is improving with filtering - mission accomplished probably. Try again. How long does pool shock last? Granular chlorine products will lose only a small percentage of potency, when stored in a cool, dry and dark location.

When stored in a shed or garage however, the varying temperature and humidity levels will begin to solidify the contents, and within a few years, the 1 lb. For longer and safer storage, we recommend buying loose Cal Hypo in buckets, or Non-Chlorine shock.

Store in a dark and cool location, with a very tight lid to keep out moisture and contamination and to prevent off-gassing. For vinyl liner pools, undissolved granules resting directly on vinyl can bleach, fade or corrode soft vinyl surfaces. Pre-dissolving is accomplished by filling a clean 5-gal bucket full of pool water. Pour in 1 or 2 lbs. Stir with a yardstick or suitable paddle for several minutes to dissolve the granules. Pour the solution around the edge of the pool, and as the bucket is almost empty stop, add more water to dissolve remaining granules in the bottom of the bucket.

Vinyl pools can avoid pre-dissolving by using non-chlorine shock or lithium hypo shock. Storing Pool Shock: Keep in a cool, dry area, separated from other pool chemicals, and out of reach of children. Shock is more safely stored if removed from the cardboard box and placed inside a clean bucket or storage bin with a tight fitting lid. Do not store half-used bags of shock , which could spill, become contaminated, or take on moisture.

Using Pool Shock: Cut bag carefully with scissors, and pour into the water while walking along the pool edge. Use a pool brush to distribute, and sweep or wash any spills into the pool. Vinyl liner pools should pre-dissolve granular shock, unless using quick dissolving Oxy Shock. Pool shock is very reactive and when mixed with any substance other than water, it can release toxic gases, ignite or explode.

Never place shock into a chlorinator or floater, or add to the skimmer, always add directly to the pool. Feel free to leave us a message and we will be in touch as soon as an agent is available. For urgent questions, you can reach us directly at Thank you for your business!

Swimming Pool Shock. Other Times to use Pool Shock. How Often to use Pool Shock. In addition, pool shocking is used to eliminate harmful combined chlorine in the water. Combined chlorine is a disinfection by-product DBP that forms when chlorine reacts with contaminants, like lotions, sweat, and urine in the pool water.

You may want to shock your pool in certain situations, such as:. The term shocking means to add enough chlorine to the pool or spa water to destroy all combined chlorine present in the water. Here are some things to keep in mind before using pool shock:. Make sure to use protection when handling shock such as eyewear and gloves. Once you shock the pool run the filtration for 24 hours.

Make sure to recheck your pool chemistry the next day and balance accordingly. If the water is green, you should use a cal-hypo shock. Calcium Hypochlorite, or cal-hypo, is the most powerful and fast-acting shock available.

This popular shock method dissolves quickly and is unstabilized. To avoid damage to your pool surface, be sure to always pre-dissolve a cal-hypo shock before putting it in your pool. Additionally, cal-hypo shocks should be added in the evening when the sun goes down. Sodium dichlor, also known as dichloro-s-triazinetrione or dichloroisocyanuric acid, is a stabilized, slow-dissolving shock method.