While sodium bicarbonate is certainly not going to hurt you if it comes into contact with your skin, precautions should still be used. Not to mention if we add people to that equation! Keeping calcium hardness in balance is one of three important water balancing steps. It's used widely in the food production industry to improve stability and increase food firmness. If your CYA is high and your CH is low, then you should use Cal-Hypo. But let's not forget that salt and sodium hypochlorite (bleach) also raise pH, and high pH drives calcium out of solution too. Raise Cyanuric Acid (Stabilizer) Level * Required. You may be wondering, “Wait, how is calcium getting into my pool? Have any questions or experience with these chemicals? Shock (Superchlorination) Raise Chlorine Level. If we add acid to get our pH down, and it’s extremely effective, that’s great. Just make sure you use strips that include total hardness. Reducing Calcium Hardness in Pools Stops staining and etching of pool surfaces caused by low hardness levels. Calcium chloride on the other hand, when mixed with water, has an exothermic reaction, which is to say, it gets hot! corrosive. Choose based on what is easiest for you to manage and what your water does not have too much of. Hypochlorite Increases chlorine level Approx. (This is a math portion of Method 1 for disinfecting a water storage tank.) of 73% cal hypo to increase your chlorine … Who wouldn’t want a machine-powered robot to take care... PoolSupplyWorld occasionally accepts guest posts from pool owners and fellow pool professionals. Controlling Calcium Hardness. Welcome to the New and Improved PoolSupplyWorld.com! As the name implies, it will also raise your calcium hardness levels in your pool slightly. 14 lbs. 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. Raise Calcium Hardness. Calcium hardness should be kept at 250 ppm minimum. The water used for saturation and dilution must be as free from calcium and magnesium ions as possible with a hardness <35 mg CaCO 3 L −1 and so may require to be softened before use. Two forms are sold: hydrated (77% strength) and anhydrous (100% strength). You can use bleach from a local store if you prefer, but remember to check the strength! Sophisticated science aside, it contributes to the stability of pH in your pool. One explanation is that all water, even drinking water, contains calcium; not in large amounts, obviously, but it does. 1.2 lbs. It would not be a good choice, if the pool water hardness is 250 PPM or higher. Note: If your CH level is too high, you run the risk of getting calcium scaling. Desired Increase in PPM. This article addresses potential costs associated with two commonly used sanitizers: calcium hypochlorite (or cal hypo) and trichloroisocyanuric acid (or trichlor). Until, that is, we realize that what we added was too effective, and now we need to raise pH. Outside of the pool world you can find him enjoying life with friends, family and his off the wall dog Brixton. A low-voltage direct current (≈40 V) is passed through the process water in the electrolyzer to produce a hypochlorite solution … A good way to track your alkalinity and calcium hardness levels over time, is using the Chemical Records Module in DigiQuatics. REASON FOR CITATION * Calcium Hypochlorite is on the Hazardous Substance List because it is cited by DOT, NFPA and EPA. strong oxidizer. Application. Since the product contains a higher percentage of calcium so the pools in areas where supply water has a problem of calcium hardness or calcium scale tend to steer away from the calcium hypochlorite product. What this leads to though is a wasteful usage of chemicals. It will also boost your water’s pH. 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 will slightly raise your pH, so make sure you adjust pH while using it. After you test your water, take a look at your CYA and CH levels, and compare them to recommended levels (below). chlorine composed of calcium hypochlorite). Calculator. Liquid Chlorine will add free chlorine (FC) to your swimming pool without increasing your CYA or CH levels. The A sk A lan AQ uestion .com Website. Calcium Chloride Increas es calcium hardness To increase 50 ppm To increase … You should keep your pool or spa's Calcium Hardness at 150-250 parts per million (PPM). Di-Chlor vs Cal-Hypo covers the side-effects of each so you can determine which option is ideal for you! Further information on Alkalinity, Calcium Hardness, and other pool chemicals can be found here. Use 10 pounds of calcium chloride (80% CaCI2) for each 10,000 gallons of water to raise the calcium hardness 80 ppm. Water is hungry, and water that doesn’t have the calcium it desires will try to leach it out of anything it comes into contact with. 1,000. 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. Whether it’s getting it from your pool shell, your paint, your piping, or even the inner workings of your pumps! 10. harmful if swallowed or inhaled. For these two chemical readings there are two chemicals that we use to adjust them, and ensure your pool keeps running smooth and efficiently! Almost all calcium is stored in bones and teeth, where it supports their structure and hardness. Calculators « Back to Resources. Scale is not a function of calcium hardness alone, but of calcium carbonate (CaCO 3) saturation, as measured on the LSI. The result of this would be brittle and breaking pool equipment and surfaces! 3.3 qts. The laboratory says that the Sodium hypochlorite: Liquid shock, liquid chlorine, bleach, pool shock: Minor pH rise: Now or regular upkeep: Calcium hypochlorite: Pool shock, chlorinating shock, power powder, cal-hypo. We’re happy to answer questions. Cal hypo provides excellent water clarity while destroying contaminants in pool and spa water such as those found in sweat, urine and windblown debris. How does it work? 2. Raise Total Alkalinity. It sounds … Sodium Hypochlorite (12%) 10 fl oz. 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