Calcium hypochlorite is sold as “pool shock.” It is commonly found in a powder or granulated form containing 68% calcium hypochlorite and other salts. We recommend the TF-100 test kit by TFTestkits. Remember how our recommended form of adding chlorine was by using calcium hypochlorite? High Calcium Hardness. 10. Calcium chloride on the other hand, when mixed with water, has an exothermic reaction, which is to say, it gets hot! Just remember, the higher you go, the harder time you will have affecting change on your pH, in either direction. worn. Well, obviously when we dissolve and add that to your pool, it adds chlorine, but it also adds the calcium used to bind the chlorine! I want my Calcium Hardness to be. Calcium hypochlorite is more stable than sodium hypochlorite, and contains a higher chlorine concentration (30-75%). Hypochlorite Increases chlorine level Approx. Lithium shock uses lithium as a filler instead of the calcium, which makes this product dissolve in water much quicker and does not affect the calcium hardness … Adjusting Hardness. If you live in an area that has softer water, then I'd say calcium hypochlorite might be a good choice for your weekly pool maintenance. Raise Hardness. They aren’t the two main stars, like chlorine and pH, but nevertheless they play an important role in keeping your pool water clean and safe! Liquid Chlorine will add free chlorine (FC) to your swimming pool without increasing your CYA or CH levels. Use 2 1/2 pounds (per 10,000 gallons) to raise the level by 20 ppm, or use 6 1/4 pounds of product (per 10,000 gallons) to raise the hardness level by 50 ppm. Alkalinity utilizes sodium bicarbonate. Calcium hypochlorite contains calcium, and sodium hypochlorite does not have it. Ideally, calcium hardness should be between 200 and 400 ppm. 1.3 lbs. Remember in our pH post how we talked about how people coming into your pool can change your pH, and if it’s too high it makes your chlorine ineffective? It has a usable shelf life of up to 10 years. Overall, it is a much cheaper product than calcium hypochlorite. Although Calcium Hypochlorite does not contain Cyanuric acid, prolonged use of Calcium Hypochlorite will raise your Calcium Hardness levels in your pool. You can either mix the crushed coral with your gravel or position it in a media bag. Not to mention if we add people to that equation! When these chemicals are added to pool water, they clearly increase available chlorine, however they also affect pH, alkalinity and either calcium hardness â¦ Welcome to the New and Improved PoolSupplyWorld.com! Neutralize Chlorine : Sodium Thiosulfate . Controlling Calcium Hardness. Tablets made out of calcium hypochlorite, a similar formula to the cal hypo pool shock that we sell, but pressed into 1â³ tablets. Central Telefónica (+511) 610-3333 anexo 1249 / 920 014 486 Low calcium hardness levels can cause etching (or pitting) in the plaster or cement in and around your pool or hot tub. Chlorine Gas. Reader note: An edited version of this article originally appeared in the summer 2007 issue of The Edge, a publication of the Northeast Spa & Pool Association.. Calcium hardness must be actively managed—along with pH and total alkalinity—to keep water in proper chemical balance. Like sodium hypochlorite, calcium hypochlorite also increases water pH, so it is advised to acidify the water during the disinfection process. After you test your water, take a look at your CYA and CH levels, and compare them to recommended levels (below). Technical name is Sodium Dichloro-S-Triazinetrione, Di-Chlor has 55% free and available chlorine to fight algae in your pool, The Di-Chlor Shock we sell is 99% Sodium Dichlor, which means 54.8% free chlorine, Di-Chlor also contains Cyanuric Acid (CYA) which acts like sunscreen for your chlorine, If your CYA is already high, then Di-Chlor is probably not the best option for you, For ever 1ppm of FC added, Di-Chlor will increase CYA by 0.9ppm, Cal-Hypo has 99.18% free and available chlorine to fight algae in your pool, The Cal-Hypo Shock we sell is 68% Calcium Hypochlorite, which means 67.4% free chlorine, Cal-Hypo contains calcium, which will increase the calcium hardness (CH) level in your pool, For every 1ppm of FC added, Cal-Hypo will increase CH by 0.7ppm. Cal-Hypo has 99.18% free and available chlorine to fight algae in your pool The Cal-Hypo Shock we sell is 68% Calcium Hypochlorite, which means 67.4% free chlorine Cal-Hypo contains calcium, which will increase the calcium hardness (CH) level in your pool For every 1ppm of FC added, Cal-Hypo will increase CH by 0.7ppm As the name implies, it will also raise your calcium hardness levels in your pool slightly. © 2020 PoolSupplyWorldÂ®. It wonât contribute to cyanuric acid or salt levels (sodium), but it does increase calcium hardness levels in the pool, â¦ Who wouldnât want a machine-powered robot to take care... PoolSupplyWorld occasionally accepts guest posts from pool owners and fellow pool professionals. For these two chemical readings there are two chemicals that we use to adjust them, and ensure your pool keeps running smooth and efficiently! It is used to kill algae and bacteria, in bleach and in pool chemical products. Low Calcium Levels in the Pool. ! A good way to track your alkalinity and calcium hardness levels over time, is using the Chemical Records Module in DigiQuatics. Knowing this information, I did a mol to mol comparison of the grams of hypochlorite ion available in each product (one pound of 73% calcium hypochlorite vs. 2.5 gallons of 10.5% sodium hypochlorite). But if we have low total alkalinity in our pools, the pH will bounce around wildly, even with minimal factors influencing it. Features:Hardness Increaser is used to raise the calcium hardness level in the pool to the ideal range. It is sold in granular or in pucks/tablets. Shock (Superchlorination) Raise Chlorine Level. 2. Calcium hypochlorite contains calcium, and sodium hypochlorite does not have it. Sodium Bicarbonate Raises total alkalinity To increase 20 ppm To increase 40 ppm To increase 60 ppm To increase 80 ppm To increase 100 ppm 2.8 lbs. 5.5 lbs. Desired Increase in PPM. The 10 Best Hotel Pools From Around the World, Robotic Pool Cleaner Comparison: Our Top 20. Let us know below! If you've got an idea for an article, feel free to send an email to. Calcium Hypochlorite (67%) 2 oz. Hard water at home means that it has higher amounts of dissolved calcium in the water, whereas soft water has low to no calcium. A low-voltage direct current (â40 V) is passed through the process water in the electrolyzer to produce a hypochlorite solution â¦ As a matter of fact, many commercial pools that use calcium hypochlorite (cal hypo) chlorine routinely maintain calcium levels over 700 ppm without scale problems. of 73% cal hypo to increase your chlorine … Raise Cyanuric Acid (Stabilizer) Level * Required. 14 lbs. The ideal range for calcium hardness is 250-350 ppm. 200 and 400 ppm boils at 1935 o C and boils at 1935 o C and boils at 1935 C... Fc ) to your swimming pool retailer CaCl 2 ) then your chlorine lose. 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