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Heat Loss Prevention: Solar Blankets or Liquid Pool Covers?

When I think about heating an outdoor swimming pool, the first method that comes to mind is a solar blanket, or solid cover. Usually, this means a large blue bubble wrap sheet that covers the entire surface of your pool, and is stored on a reel when the pool is in use. However, did you know there is another option to help keep the heat in your pool? Let’s take a look at two of the most common, but different options.

 

A solar blanket retains heat, and radiates the heat to the pool water when the sun is shining. When purchasing a solar blanket, you have several options you can choose from including, but not limited to size, shape, colour, density, and type of material. With the array of sizes and shapes, there will always be something that will fit your pool almost perfectly or, in some cases, after a little trimming. All colour options are equally effective, so the choice of colour is ultimately based on the pool owner’s preference. The density of the cover will usually determine the life expectancy of the cover.  

 

SOLAR BLANKETS

Solar blankets can help protect your pool water from debris that could blow in on a windy day; however, solar blankets can also become a breeding ground for algae if left on for too long in the heat and humidity. Below, are a list of some of the advantages and disadvantages of solar blanket heating options.

 

ADVANTAGES

  • Solar blankets have an insulating quality (provided by the air pockets that make them up) that liquid covers do not.
  • Can help prevent some debris from entering the pool

DISADVANTAGES

  • Solar Blankets don’t last long. After approximately 3 seasons, the blanket will need to be replaced.
  • Labour intensive (If you do not have a reel for your solar blanket, you need two sets of hands to lift and fold the blanket before and after pool use)
  • Solar blankets are not aesthetically pleasing.
  • They can be very dangerous if trapped underneath.
  • Not environmentally friendly. Did you know you can make tens of thousands of sandwich bags from the material used in a solar blanket? Process to manufacture uses oil to produce the plastic.
  • Although a solar blanket will prevent some debris from entering the pool, most of it ends up in the pool when you take the cover off.

LIQUID POOL COVERS

Liquid covers reduce heat loss in your swimming pool by reducing evaporation of water from the surface. There are a number of liquid pool covers currently on the market by many different manufacturers. However, one thing that seems to be consistent throughout the market is the environmentally friendly factor. Liquid pool covers are usually biodegradable and made with an alcohol based product, which won’t harm your pools chemistry when used in the correct dosage. Most importantly, liquid pool covers are safe for your family, and even your four legged friends!

 

The ingredients used to form a liquid pool cover are not the only safety feature. When considering safety, liquid pool covers are by far the safer option in comparison to a solar blanket. If you have children or pets and use a solar blanket, there is a potential risk of entrapment. Once submerged, a solar blanket can be difficult to escape for people and animals of all sizes. A liquid pol covers invisible film is impossible for something or someone to get caught underneath, eliminating the risk of entrapment entirely.

 

When taking operation into account, liquid pool covers have their disadvantages as well. Since the liquid is a thin layer, it can be disturbed by movement in the water and from wind. The liquid pool cover will only resume its total pool coverage once the water movement has stopped.

 

The convenience of a liquid pool cover is another benefit. There is no labour required to use this product. On top of that, how many times have you thought to yourself, “I’d like to go for a swim”, only to realize that your solar blanket is on and to go swimming, you not only have to find another set of hands, but you also have to remove it? Sometimes, going for a swim isn’t really worth the effort. A huge benefit of a liquid pool cover is the immediacy. Do you want to swim right now? Great! With a liquid pool cover all it takes is a big jump and you are swimming, without the worry of lugging that large wet plastic tarp off of your pool. Below, are a list of some of the advantages and disadvantages of liquid pool covers.

 

ADVANTAGES

  • The danger of entrapment is eliminated with the use of a liquid pool cover
  • There is no labour requirement
  • No need to worry about replacement covers
  • Non-toxic
  • Very aesthetically pleasing. The cover is completely transparent, and invisible to the naked eye. Swimmers won’t even know it is being used.
  • Environmentally friendly and biodegradable

DISADVANTAGES

  • Must purchase the product
  • Not suitable for disturbed water
  • Will not stop debris from entering the pool

Solar blankets and liquid pool covers both have their benefits, but they also have their downfalls. They are both effective at preventing heat loss from your pool, however, there are some differences. After considering all of the factors for each option, and weighing them against some of your needs you can determine the benefits you value the most, which in the end, will help you make a decision.

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Water Safety Tips

There is nothing more appealing than the thought of jumping into a swimming pool or lake on a hot summer’s day! There are so many benefits to swimming at any time of the year, but it particularly brings an extra layer of enjoyment on hot summer days. Along with talking about all the benefits of swimming, it's very important that we also discuss water safety.

 

According to the CDC (Centers for Disease Control & Prevention), drowning is a leading cause of unintentional injury death worldwide, and the highest rates are among children. Three children die every day from drowning, the leading cause of injury death among children aged 1–4 years. Drowning is not only a risk in swimming pools and lake’s, but it's important for people to understand that children are susceptible to drowning in as little as one inch of water.

 

The most important thing to understand about drowning is that it does not resemble what you see in the movies (arms flailing, splashing, or screaming). In reality, drowning is completely silent. The warning signs of drowning may include:

 

  • Someone who is drowning remains upright in the water and is not kicking and not able to wave or call for help
  • Someone may appear to be climbing an invisible ladder
  • Hair may be over their eyes and or forehead
  • Eyes are glassy and unable to focus
  • Head may be low in the water and tilted back with mouth open
  • Someone is looking towards the pool deck, sky, or shore and appear in shock
  • If a child goes silent something might be wrong

While these statistics are alarming there are a number of ways to prevent drowning.

 

LEARN LIFE SAVING SKILLS

Swimming lessons are very important and the first step to having safe water fun! Everyone should know the basics of swimming and take the extra step to be trained in CPR and First Aid. Many municipalities and YMCA’s offer swimming lessons at a very reasonable price. There are also many free or subsidized learn to swim programs that may be available in your area.

 

FENCE IT OFF 

If you have a backyard swimming pool it is recommended that you have a separate fence just for the pool area (separate from the house and other yard space). In some States this is a requirement for backyard pools, but even where it's not a requirement it's highly recommended. This prevents someone from accidently accessing the area when the pool is not in use. If a fence is not an option, there are other things available on the market, like alarms which can be installed on the doors going out to the swimming pool or on the pool itself.

 

MAKE LIFE JACKETS A MUST

Children, inexperienced swimmers and boaters should wear life jackets in and around bodies of water.

 

BE ON THE LOOK OUT

When kids or weak swimmers are in or near water, they should be closely supervised by a confident swimmer. Adults watching kids in or near water should avoid all distractions like reading, surfing the web, answering the phone, playing cards, and drinking alcohol. It is always wise to designate a “water watcher,” someone who is specifically responsible for watching the kids in the water.

 

Swimming is a fun and safe activity for all ages when everyone does their due diligence with these water safety practices! These tips are just a few of many to keep people safe during the summer season and while enjoying the water all year round!

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The Importance of Wearing a Life Jacket

While many Canadians are preparing for the Summer season and planning water related recreational activities, the warmer days also mark the beginning of a season known for water-related injuries and fatalities. As we prepare, it is important to educate ourselves, and our loved ones on water safety.

 

For many families, summer includes activities such as swimming and boating. But each year, Canadians fall victim to tragic water-related accidents ending in a fatality. A Canadian Red Cross report examining these fatalities revealed many common factors:

Children aged 1-4 and men 15-34 most at risk for water-related fatalities.

On average, there are 97 deaths a year from unexpected falls into water.

80% of fatalities involving children in backyard pools occurred when there was no adult supervision.

From 1991 to 2008, an average of 167 people died each year in boating mishaps. Of these, nine out of 10 were not wearing their life jackets, or were wearing them incorrectly.

 

FREQUENT MISCONCEPTIONS ABOUT LIFE JACKETS

As noted by the Canada Safety Council

 

"I don't need a life jacket because I'm a strong swimmer."

Every year, even strong swimmers drown. Where swimming ability was recorded by coroners, almost half of those who died in fatal boating incidents were average to strong swimmers, according to the Canadian Red Cross. Even a confident swimmer can be quickly overwhelmed by factors such the weight of waterlogged clothing, the disorientation and panic of an unexpected plunge, exhaustion from swimming against a strong current, and the numbing effects of cold water.

 

"Only boating newbies need to wear life jackets."

Unfortunately, years of boating experience do not affect your ability to float. If anything, the more time you spend in a boat, the more likely you are to encounter unforeseen circumstances, and the greater benefit you will reap from a habit of properly wearing your life jacket. Of boating fatalities where boating experience was known, 66% were recorded as experienced boaters, and only 34% were occasional or inexperienced boaters.

 

"I only need my life jacket in bad weather."

Boating mishaps are actually more common when the weather is good and waters are calm. Survivors of near-drownings frequently recall how an otherwise unexceptional task or activity quickly went awry.

 

Sources:

Canada Safety Council

The Canadian Red Cross

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Who Should Become a Certified Pool Operator?

According to the National Swimming Pool Foundation, every aquatic facility should have at least one trained and Certified Pool Operator®. At some facilities, routine maintenance is provided by a third-party service company. In this case the outside service technician should also be certified. It is also suggested that the owner of the facility being serviced by an outside company have a Certified Pool/Spa Operator® certification in order to properly evaluate the performance of the service technician.

 

Since the owner or manager of each facility is responsible for the safety of the pool, being certified is very important. Owners, managers and pool operators of every facility should have an extensive knowledge of statutes, administrative codes, regulations and common accepted practices.

 

The National Swimming Pool Foundations suggests that “any individual who makes changes to the water quality, or performs routine maintenance of swimming pool system components, should obtain a CPO® certification.” At some facilities, head lifeguards or head instructors are trained and certified to operate the swimming pool. This is to ensure that other managers are familiar with aquatic risks and prevention techniques. Since these individuals are involved daily with the swimming pool activities and programs, proper training is significant. All repair and maintenance work should only be performed by a qualified individual/ company. This may mean that it is necessary to use a contractor or licensed professional.

 

CLASS C POOLS

When it comes to small Class C pools (hotels, motels, apartments, condominium pools), there is very little delegation as to who should be certified. In many instances, the swimming pool manager could very well be the owner. The owner/manager whether operating the pool or not, should be certified in order to have a good understanding of the basic pool operations. If the facility has a spa, there is additional responsibility and the importance of having proper training is higher. Any individual who evaluates and adjusts the pool water chemistry should be certified and it is recommended to have a certified pool operator present whenever the pool is open for use.

 

CLASS E POOLS

Medical treatment pools, therapy pools, exercise pools and other specialized pools, otherwise known as Class E pools, usually have a very small staff and the operation of the pool is only one of many responsibilities. Normally, pool maintenance is contracted to an outside third-party service technician. It is important that this technician be certified. The manager of the facility should also be certified to ensure they have the knowledge necessary in evaluating the performance of the technician.

 

CLASS A, B & D POOLS

Classes A, B and D pools (competition pools, park pools, water parks) typically have a highly trained aquatic staff. At these larger facility, management is structured in several layers starting with the facility director at the head. The aquatic staff also normally includes aquatic coordinators, swim instructors, lifeguards, supervisors and maintenance employees. Each individual on the management team is responsible for the supervision and safety of the facility. Larger facilities should require the proper training at each level of management including maintenance personnel, head lifeguards, pool supervisor, and facility director.

 

Click here to register for one of our in class CPO courses.

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