A simple method can be used with a water quality tester. Before adding 1 inch chlorine tablets 50 lbs disinfectant, you can test the residual chlorine in the pool water before adding the disinfectant, and then test the residual chlorine in the water after a half-hour interval after adding the disinfectant to find out how much the residual chlorine has increased.
Swimming pools need to be disinfected with 1 inch chlorine tablets 50 lbs every morning, noon, and night to sterilize the pool water and prevent the water from deteriorating, and the residual chlorine in the pool water represents the disinfection effect in the water, which should be controlled between 0.3-1.0mg/L according to the pool water quality hygiene standards to ensure that the pool water has the ability to be sterilized continuously.
As we all know, most of the chlorine tablets for pool disinfectants used in swimming pools are chlorine tablets or disinfectant powder with trichloroisocyanuric acid as the main ingredient, so how much can the residual chlorine in the water rise after the chlorine tablets are added to the pool? It can be calculated by the following formula.
Elevated value (PPM) = (dosage × chlorine content) ÷ pool volume
Example 1: For a standard pool of 1800 square meters with 0 residual chlorine, 2000 grams (2kg) of disinfectant powder (90% content) is added, how much will the residual chlorine increase?
Increase value = (2000g x 90%) ÷ 1800 square = 1mg/L (i.e. a pool of 1800 square with 2kg of disinfectant powder, the residual chlorine will increase by 1mg/L).
Example 2: In a standard pool of 1800 square meters with 0 residual chlorine, how much will the residual chlorine increase if 2000 grams (2kg) of disinfectant tablets (50%) are added?
Increase = (2000g x 50%) ÷ 1800 square ≈ 0.55mg/L (i.e. the same 1800 square of water, but with 2kg of disinfectant tablets, the chlorine residual increases by 0.55mg/L).
To sum up: you can follow the above formula to know that the pool volume is the same, but the content of the chlorine disinfectant chosen is different and the elevated value of residual chlorine is also different, so the pool premises need to be calculated according to the 1 inch chlorine tablets 50 lbs disinfectant chosen.
The following shares some practical pool water treatment tips to ensure the safety, hygiene, economy, science, reliability, low-carbon environmental protection and sustainability of pool water treatment, so that the pool water quality changes for the better.
To understand Can I Just Throw stabilized chlorine tablets In My Pool, please read the following article： Can I Just Throw stabilized chlorine tablets In My Pool
1、Add new water daily
Water change is when the pool water is drained and then injected with new water. But the overall cost of the pool water change is very high, and the project is larger, for business pools, not only time-consuming, and expensive.
In fact, as long as the pool is reasonably equipped with circulating filtration equipment and timely operation, daily replenishment of 5%-10% of new water, with the use of pool cleaner, after heavy filtration and disinfection, the pool can also maintain a better water quality situation, while also saving resources and energy to avoid waste.
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2, These 1 inch chlorine tablets 50 lbs agents make water quality better
In the daily maintenance of pool water quality, chlorine tablet disinfectants are the most widely used pool water disinfection methods in the world, such as the most common instant disinfectants, slow-release 1 inch chlorine tablets 50 lbs, effervescent tablets, etc. In addition, we can also use the following agents in conjunction with the actual situation.
Chlorine stabilizer: Chlorine will accelerate decomposition under ultraviolet light, so outdoor pools often do not detect residual chlorine or residual chlorine consumption is too fast, adding 1 inch chlorine tablets 50 lbs of stabilizer can effectively solve the rapid volatilization of chlorine due to sunlight or high temperature, extend the residual chlorine length and enhance the sterilization effect of chlorine disinfectants.
Algaecide: In order to avoid pool water algae turning green, algaecide is as important as sterilization. Algaecide is composed of copper sulfate, which is mainly used to kill the spores of algae and prevent the growth of algae. Used in conjunction with the pool disinfectant, it can quickly eliminate microorganisms in the water and ensure good water quality.
Clarifier: A pool clarifier is a pool agent completely dissolved in water, positively charged, The water will be combined with negatively charged suspended impurity particles and, after the filtering cycle can make the water clear and blue.
Softener: swimmers in and out of the pool carrying sweat oil and other secretions, will affect the PH value of the water and underwater microenvironment, affecting the disinfection effect. For pools with high traffic flow is recommended to add a pool softener, which can improve the buffering capacity of the water and stabilize the PH value.
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3、Special situation treatment methods
Long algae turned green/turbid water: for the pool water turbidity, impurities, the body of water turned green, and other poor water quality, it is recommended that a full set of water quality adjustments, the most effective method is to add 1 inch chlorine tablets 50 lbs and the use of pool equipment combined. First of all, use the CIPU multi-functional test strip or water test box to test the water quality, then add the softener to improve the buffering capacity of the pool water.
2 hours later to test the PH value of the water, adjusted to 7.2-7.6 or so is appropriate. 2 hours later to the pool to throw CIPU three-in-one (or four-in-one) water quality maintenance agent for sterilization and algae, open the circulation system, so that the agent in the water as evenly as possible. Finally, for water clarification, first stop the pump, and then use flocculants to precipitate the particulate matter in the water, for manual suction. citing Wikipedia
After the rain treatment: Pool water generally easily turns green after the rain, This is because the rain spores in the air, lawn, and dirt wash into the pool, and at this time the pool water through the dilution of rain, the residual chlorine in the water can not reach the standard and PH reduced, to provide a warm acidic environment for bacteria algae and multiply. At this time, you can use 2-4 times the daily amount of disinfectant for impact treatment, and with the use of algaecide.
4, Regular maintenance is also important
Pipeline cleaning and brushing pool: people swimming, body secretions and so on will enter the water, after a long time, will accumulate a lot of grease and other dirt, many pool operators never on the pipeline, accessories, pool wall, pool bottom, ladder, pool wall water level line, corners and crevices, in fact, the long-term accumulation of this dirt will also affect water quality.
Filter maintenance: If the pressure gauge on the sand tank reads higher than 2.5kg/cm², the filter sand tank needs to be back washed and cleaned. In addition, the quartz sand of the sand tank is not long-lasting, generally, the quartz sand needs to be replaced once in 3-5 years.
Pump cleaning: In order to avoid the pump clogging and other problems affecting the use of the effect, we also need to carry out regular maintenance of the pump. Such as frequent and regular cleaning of the filter basket, regular inspection of the pump head cover seal, etc.
5, Filtration, recycling, and disinfection are indispensable
Pool water filtration, recycling, and disinfection are the use of recycled water so that the pool water is used repeatedly within the scope of health standards. That is, the treated water is mixed with the untreated water, so that the mixed water meets the health standards, continuous pollution, and continuous treatment, always in a dynamic balance.
It is because the pool water pollution source has the characteristics of continuity and instability, which requires us to continuously carry out regular filtration cycles and continuous water disinfection, a single use of pool chemicals or only the use of a sand tank pump is not enough, in the physical treatment and chemical treatment together to achieve filtration, circulation, clarification, disinfection, in order to allow the water quality to reach the desired level and avoid microbial growth.
Generally will choose a sand tank filtration system or a paper core filtration system with 1 inch chlorine tablets 50 lbs disinfection chemicals, Commonly used swimming pools must be filtered and circulated 6 to 8 hours a day, not commonly used swimming pools also need to filter and circulate 4 to 6 hours.
6, Pay attention to adjusting the pH value.
In pool water treatment adjusting the pH of the pool water is very important, not only to enhance the comfort of swimmers but also because most of the pool water disinfectant sterilization effect depends on the pH value.
This is because the chlorine disinfectant in the water will be decomposed into hypochlorite HOCl and hypochlorite OCl-, and the main disinfection effect is hypochlorite HOCl. When the pH value of the water is too high, the decomposition of hypochlorite HOCl will only take up a small part, which will greatly reduce the activity of the disinfectant in the water, and then affect the sterilization effect, and also lead to the flooding of green algae in the pool water. When the PH is too low, the concentration of hypochlorite HOCl in the water is very high, and the disinfectant put into the water is quickly consumed and wasted, shortening the residual chlorine time.
Therefore, the pool water requires a pH value between 7.2 and 7.8, at which time about half of the disinfectant is hydrolyzed into HOCl hypochlorite to play a disinfection role, and when HOCl hypochlorite drops, hypochlorite will combine with hydrogen ions in the water to form OCl-H HOCl to maintain a longer disinfection effect.