Over time, there have been many publications about vanishing-edge pools. Rim-flow pools have also been on the rise and are sometimes integrated with vanishing edge pools. A vanishing edge swimming pool is where water passes across an edge creating an illusion image of water with no frontiers. Rim flow pools, on the other hand, are more complex and costly. When building these pools, one has to consider various aspects like altitude, height, and length. A rim-flow pool is different from the vanishing edge pool in that it contains the pool at its uppermost part and a reservoir at its lower part. Although costly, edge pools are attractive, unique, and modern, offering a serene environment.
As a pool contractor and builder, I have played an enormous role in developing vanishing-edge pools and rim-flow pools over the years. Today, I wonder why I thought the design of these pools were so complicated. I’m sure you would also think so, but once you venture into the service and repair industry, things are not that complex. Thus, I began a service operation almost after thirty years of pool construction.
High consumption pools
In essence, vanishing-edge pools are top consumption pools. I found out this concept when I constructed my first Lautner edge pool. Conventionally, these pools have a high evaporation rate compared to regular pools. How did I find out? When building my first Lautner Edge pool, the respective client had blocked the water refill system; thus, the water level dropped because he thought the pool was leaking. When we checked whether there was leakage, we found none. Therefore, we concluded it was evaporation.
However, we wanted to make sure our conclusion was right. Therefore, we refilled the pool and surge tank and shut off any autofill. We then kept the pool system on and came back to check the water level after a week. All this was done under restricted sunlight, and we found the evaporation rate to be 2 inches of surface area per week. It meant that we would have to refill the water almost twice a year due to the lost water from evaporation.
After this incident, we examined other edge pools. One was located in North San Diego, and we found its evaporation rate to be 3 inches in one week. We also realized the rate of chemical consumption of these pools since we position many chemical regulation systems. An example is calcium; during evaporation, concentrations of calcium remain. After refilling water, calcium levels increase. Cases like this usually happen, especially when you live in places with calcium in their source water.
At that point, I began realizing simply how much more chemical use there wasas well. We installed a lot of automated chemical control systems, so we started tracking some chemistry issues that were inherent to edge pools. Typically, we discover calcium concentrations of over 1300ppm in edge pools annually.
The salt connection
Often, edge pools with salt chlorine generators take in more substantial portions of acid than traditional pools with salt chlorine generators. If you are a pool owner, I’m sure you have noticed this by now. Compared to conventional pools, edge pools need more chlorine and acid to keep a similar amount of water. But why? When water is in motion over the edge surface, it facilitates chlorine oxidation and releases carbon dioxide as a byproduct. Chlorine levels are thus reduced, and there is an increase in pH levels. Then, the chemically deprived water gets transferred back to the pool, decreasing amounts of chlorine and increasing pH levels.
If we do not use an automated system during this procedure, we would not be able to manage it. Restoring amounts of chlorine would require that you add large quantities of chlorine into the pool hence reducing the depletion of chlorine. Moreover, a salt-chlorine generator must contain specific amounts of acid. All infinity pools should have salt chlorine generators to facilitate the chemical automation process. These generators fabricate chlorine gas through a process known as electrolysis. They also produce sodium hydroxide when salt reacts with hydrogen and oxygen in the water. Sodium hydroxide releases hydroxide ions that neutralize the acid. Problems may arise with the existence of calcium. Calcium may foster the creation of scale on surfaces, especially where the pH is high. The occurrence of calcium flakes or fallouts may exist as a result of high temperatures. For this reason, it will significantly affect the surfaces vanishing-edge pools.
In conclusion, infinity pools offer breathtaking views but require extra effort in maintaining. Therefore, a pool owner with these types of pools has to understand the specific components as well as the management process. Since they have a higher evaporation rate, they require more chlorine to maintain proper disinfection and sanitization.
Pool Stains, What They Mean & How To Remove Them
There is nothing worse than a dirty pool than perhaps a stained pool. Identifying pool stains and what they mean is important. There are different approaches towards cleaning certain types of stains. Figuring out what is causing the stain is often possible by looking at the color of the stain. Various maintenance issues have a tendency to create a certain colored stain in the pool. Identifying what those colors indicate can help you locate the source of the problem.
If you have a stubborn stain in your pool, it can be aggravating, to say the least. Stains in your pool can be difficult to remove. Before you attempt to clean a problem stain, first ask yourself a question, ‘how well do you know your pool stains‘? Use our Stain Comparison Chart and key below to identify which type of pool stain you have. Once you’ve identified which type of pool stain you’re dealing with, follow our instruction guide for pool stain removal tips. We also recommend the best products for removing even the most tenacious stains.
Types of Pool Stains & What They Mean
Green Brown Stains
This type of pool stain is typically caused by decaying organic matter such as leaves and debris. Allowing leaf debris to accumulate at the bottom of the pool can cause an unsightly greenish-brown stain.
To remove an organic stain quickly, sprinkle granular chlorine shock directly on them. On vinyl-liner pools, you’ll want to pre-dissolve the shock first in a five-gallon bucket of water before pouring it on and brushing it in.
Red Blue Stains
Berries cause reddish-blue stains. If you have berry trees in your backyard, this could very well be the culprit of red-blue stains in your pool. As the berries decay, the juice and skin of the berry can cause a stain that looks almost purple in color.
Again, you’ll want to take the same approach as removing organic stains. Brushing the liner with shock is your best option here and should remove the stain quickly.
Blue Green Black Stains
Blue-ish Green-ish Black stains on the bottom of your pool could very well be berries too. However if there aren’t any berry trees in close proximity, high levels of copper could be the cause. If you have copper piping as part of your pool equipment setup, corrosion could cause stains that are of a blue-green black composition.
Mineral Based Algaecides
The leaching effect of copper intrusion has been known to cause stains that can be difficult to remove. Heavy doses of copper-based mineral algaecides have also been shown to produce similar stains. There are products such as Stain Free, A+ Stain Remover, and Jack’s Magic Blue Stuff that do an admirable job of removing stains on vinyl liners.
Green Brown Red Stains
Pool stains that are greenish brownish red usually indicate the presence of iron in the pool. As iron rusts, it has a tendency to leave a rusty greenish brown-red stain. This is true in all types of pools.
Leaching Metal Stains in the Pool
Metal leaching can occur that produces a stain from the pool coping, decking material, and a variety of other sources. Marble, granite, and flagstone all contain the mineral Iron and can leach into your swimming pool after a heavy rainstorm. Stains of this nature also occur without proper waterproofing.
Brown Black Purple Stains
This type of stain may look like a big bruise on the bottom of your pool. Stains that are brownish, black purple tend to be the cause of high levels of manganese. This can actually come from the local water supply, especially if the source is well water. Superchlorination is the best way to handle the problem as it oxidizes the manganese to a rust like substance that can be vacuumed off the pool floor. The next step should be cleaning out the pool filter as manganese can cling to surfaces.
Testing for Organic Stains & Metal Stains in Pools
You can easily detect and remove organic stains with a little elbow grease and the right supplies. The typical field test pool contractors use for determining what type of stain they’re dealing with is to simply rub some chlorine on the stain to see if it dissipates. Metal doesn’t react to chlorine. This is why components such as pool ladders are made of metal. If the stain doesn’t react to the stain, then it’s probably metallic in nature.
One way to test if it’s a metal pool stain that you’re dealing with is to apply some ascorbic acid to the stain. If the stain is removed or at least reacts (lightens) in the presence of rubbing with Vitamin C powder, you have a pretty good indication that it’s a metal stain.
Hydration Stains in Pools With a Plaster Interior
These stains tend to look like metal staining but are present in plaster pools. Since these types of stains can be difficult to remove there are some things you need to know first. Plaster hydration stains occur when the pool plasterer plasters the pool while the form isn’t completely dry or moisture or humidity is present. If you’re certain that the stain isn’t metallic (stain doesn’t react to ascorbic acid) then acid washing the pool interior is the best option for removing hydration stains.
Removing Organic Pool Stains
Once you’ve determined that it is actually an organic stain that you’re dealing with, chlorine is going to be your best friend here. Honestly, if you had the right amount of chlorine to begin with, you probably wouldn’t even have an organic pool stain. Superchlorination of the water is your best option for dealing with organic stains. Shocking the pool is going to help remove stains caused by leaf debris and decaying organic material. The go-to solution for many pool contractors is to use Cal Hypo (Calcium Hypochlorite Shock).
Best Products for Cleaning Organic Pool Stains
Every pool professionals old-standby for removing organic pool stains is Cal-Hypo. The powerful shock treatment is great for removing stains and for a quick chlorine boost to help balance your pool chemistry. Just one pound treats a 16,500 gallons of pool water
Jandy Pro Series Stain Remover is expertly designed to remove a variety of different pool stains quickly and effectively. Simply attach the applicator to a pool pole and then attach the supply hose to a bottle of muriatic acid (for metal stains) or chlorine (for organic pool stains). Safely concentrates chemicals over pool stains and is a favorite tool among homeowners and pool professionals alike.
How to Remove Organic Pool Stains
- The process here is to test and balance your pool chemistry. Your ideal comfort zone for alkalinity is going to be in the range of 100ppm to 150ppm with 125ppm being the sweet spot.
- The next step would be to shock the pool. For smaller stains a regular dose of Cal Hypo should do the trick. For larger pools or larger stains you’re going to want to up the dose. The typical regimen is 3 pounds per 10,000 gallons.
- The third step in the process is brushing the pool to physically remove the stain. On vinyl liners you’ll want to be careful here making sure not to tear the liner while attempting to clean it.
- Next, run your pump overnight and allow the water to circulate throughout the swimming pool. Make sure to do this for at least 8 hours.
- Brush again in the morning. Repeat the entire process until satisfied with the results.
Removing Metal Pool Stains
The process of removing metal stains is a bit different than removing organic stains, however, using the correct products will greatly assist you in getting rid of metallic pool stains. There are a number of products on the market as we mentioned previously that can assist you in removing metal pool stains. Consequently, finding the right product to use all has to do with first identifying which type of pool stain you actually have.
Best Pool Cleaning Products for Removing Metal Pool Stains
For the removal of metal pool stains, we recommend using Pool Stain Treat, a sequestrate and chelator that is typically used for preventing stains in pool startups. It’s compatible with Baquacil and Soft Swim and works 40-60 days on most pool surfaces. The high strength stain remover works on any kind of swimming pool.
Pool Mate Metal Out helps prevent stains in your pool due to iron, calcium, manganese, copper and other types of minerals and metals that may be present. A great all purpose sequestrant, the product also helps to protect pool walls from rust as well as removing stains and scale. Just one quart treats a 10,000 gallon pool.
Cleaning a pool stain is only half the problem. Keeping them from coming back is the real issue. Recurring pool stains can be a real nuisance. Moreover, people are less concerned with cleaning a stain and more concerned about why it occurred to begin with. Ideally, people want to keep mineral and metal stains from coming back.
Top Editor Picks for Metal Pool Stain Removal
There are a number of products that pool service professionals use for tackling metal pool stains. Some tried and true products the pros use are Metal-Free by Natural Chemistry, and CuLator 4.0 Powerpak.
Best Robot Pool Cleaners & Pool Monitors
Swimming pools are indisputably excellent sources of enjoyment and relaxation. Even so, cleaning and maintaining a pool is not a walk in the park. Pool maintenance usually consumes a lot of time and effort. Unfortunately, you can never skip pool maintenance if you want to maintain crystal clear pool water. On average, you need to clean your pool at least twice a week. Moreover, you need to ensure you have balanced water chemistry at all times. Fortunately, there is a wide range of pool cleaning equipment you can use to keep your pool in good shape. In this article, we look at some of the best robot pool cleaners of 2021.
2021 best robot pool cleaners
The pool filter is usually responsible for getting rid of dirt and debris in your pool. However, some particles may be too large to go through the filter. As a result, you need to use a vacuum or robotic pool cleaner to clean the pool. At present, there is a wide range of robot pool cleaners in the market. Each offers unique functionality.
There are two primary types of automatic pool cleaners; pressure cleaners and robotic cleaners. Both deliver excellent functionality. But pressure cleaners usually depend on the pool filter and pump to function. At times, they rely on a booster pump to operate. On the flip side, robotic cleaners depend on electricity to function and work independently. Also, some robotic cleaners use smart technology like Bluetooth and Wi-Fi to function.
Factors to consider when buying a robotic pool cleaner
Typically, robot pool cleaners incorporate a head unit responsible for running all operations of the cleaner. You can set a robotic cleaner to work at your preferred timings during the day. Most robotic pool cleaners have floor and wall cleaning options. In addition, pool professionals usually advise getting a robotic pool cleaner that cleans the waterline. Such pool cleaners reduce the need for brushing your pool surfaces. Nevertheless, these robotic pool cleaners tend to be more expensive.
All robot pool cleaners use Bluetooth or Wi-Fi systems to function. Thus, you can easily control the robotic cleaner using a smartphone app. You can start and stop the robotic cleaner at any time. When buying a pool cleaner, always buy one with a quality debris canister. The debris canister is responsible for trapping debris in the pool. After cleaning the pool, you need to empty and remove the canister according to the manufacturer’s instructions.
Another factor to consider when buying a robotic pool cleaner is the size and shape of your pool. If you have a complex pool design, buy a robotic cleaner that can navigate tough corners. Also, if your pool has steps, choose a robotic cleaner that can go up the steps.
Different types of robot pool cleaners
It is important to note that robot pool cleaners are costly. Thus, before purchasing this equipment, ensure you analyze your requirements. Even so, pool experts report that robotic pool cleaners are worth the purchase.
DOLPHIN Sigma Robotic Pool Cleaner with Bluetooth and Massive Top-Load Cartridge Filters, Ideal for Pools up to 50 Feet.
Hassle-free cleaning. Easy-to-use, robotic pool cleaner equipped with an anti-tangling swivel cable, allowing Sigma to move freely around large residential pools up to 50 feet with ease. Backed by a 3 year quality assurance.
This is one of the best robotic pool cleaners you can find in the market. The Polaris Alpha IQ+ incorporates a fast and straightforward installation process. Also, it does an excellent job of helping you maintain crystal clear pool water.
Aquabot Turbo T4RC
Another robotic pool cleaner is the Aquabot Turbo T4RC. It is lightweight and uses a series of brushes to keep the pool clean.
Another Polaris robotic cleaner is the Polaris 9550 Sport. This cleaner is ideal for getting rid of dirt on pool surfaces of inground pools.
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Smart pool water monitors
Maintaining balanced water chemistry is essential. Currently, there are several pieces of equipment specially designed to check the pool pH, calcium hardness, and chlorine levels. Smart monitor systems do this job and send measurements to your smartphone app every day.
This smart monitor system is specially designed to stay in the pool skimmer. The WaterGuru Sense smart monitor measures the pool pH and chlorine levels. You can find it on Amazon for as low as $295.
Another smart monitor system is the cFloat. This system helps you improve water quality at all times.
Sutro Smart Pool Water Monitor
This smart monitor helps you know your pool chemistry. Also, it advises you on all the chemical adjustments you need to make. Purchasing a Sutro smart pool water monitor costs approximately $199.
Today, there is a wide range of smart pool equipment. Before purchasing any pool equipment, ensure you evaluate all your requirements.
Dealing With the Trichlor Shortage Head On
The recent fire that destroyed the chemical plant in Louisiana is the main reason for the current chlorine shortage. As a result, a good percentage of pool companies were adversely affected. At the same time, some pool companies remained unaffected by these events and have been able to carry on business as usual. Such companies relied on other pool sanitation systems like saltwater systems and baquacil.
But generally, the shortage of chlorine is a big challenge for many pool owners. There has been a significant rise in the price of chlorine due to increased demand.
How did pool professionals deal with tricholor shortage?
Once the news hit home, pool experts came up with several strategies to deal with this sudden shortage of chlorine. President of Patio Pleasures Pools & Spas, Rene Huston, said that trichlor shortage forced them to stock up in excess. This way, they would still have supplies in the next swimming pool peak season. Although this was a good idea, they realized that the demand was too high. In particular, the demand was three times than what we would sell in normal seasons.”
Most pool companies stocked up the chlorine in excess to deal with the shortage. Even so, this strategy also comes with other challenges. When you decide to stockpile chlorine, you need to create safe storage space. As a result, pool product suppliers have had to expand their warehouses to accommodate excess stock. Aside from creating a stock house, you need a lot of money to purchase chlorine in bulk. Unfortunately, very few pool experts have enough cash to stockpile.
What were the early signs of chlorine shortage?
People started noticing the shortage of chlorine by a sudden hike in prices. Before, pool owners bought a 50-lb buck of 3-inch unwrapped tablets at $70 to $75. Last year., the price rose to $125. Thus, pool owners had to pay almost twice what they used to pay to get chlorine tablets.
CEO/RMO of Cline Commercial Pool Service in California, Lori Ann Cline, says that she received a notice that the price of chorine would rise by approximately 15 to 20% during summer. Therefore, her company had no choice other than increase their prices to retain their profits. Contrary to popular belief, the increase in prices has not helped them deal with scarcity. In fact, most of their suppliers are currently reducing their purchases every week. So, they cannot buy as much chlorine as they would wish. Unlike before, they cannot order multiple buckets of trichlor.
Dealing with the situation beforehand
The owner of Richard’s Pool Service, Richard Garnai, says that the shortage of trichlor has not been a big problem for them. They already had a solid plan for dealing with the shortage. Their suppliers advised them to purchase trichlor in bulk. This way, they would be able to meet the expected surge in demand during summer. If they run out of stock, he considers manufacturing the chemical himself. Additionally, he plans to use cyanuric acid and liquid chlorine if he runs out of stock.
Garnai advises pool experts not to depend on tabs this summer. He says that looking for other options is a great idea. Trying to reduce the use of chlorine tabs is a great idea to deal with this problem. Some of the alternatives to trichlor include calcium hypochlorite and liquid chlorine. Although bromine is also a great alternative, it tends to degrade when exposed to sunlight.
At the moment, it is essential to educate customers about this sudden shortage. Most customers are angry about this whole situation. Consider informing your customers that you are suddenly experiencing a chlorine shortage, and it would be best to look for other alternatives. Explaining the sudden increase in prices is also a good idea. Pool professionals are also encouraging customers to stock up tabs before summer. Fortunately, most customers are responding positively.
Using alternatives to chlorine
At present, there is a broad spectrum of techniques that can help you lower chlorine usage in your pool. These techniques help pool experts deal with the trichlor shortage well. When reducing the pool’s dependence on chlorine, the first thing to do is keep the pool in good condition. Using UV, Ozone, and AOP pool systems also helps you reduce chlorine usage. Consequently, pool experts are trying to encourage customers to consider other pool sanitation alternatives. Fortunately, most customers are responding positively. Nonetheless, pool experts hope that they won’t experience these challenges in demand and supply come next year.
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