Having a number on the scale that is either too high or too low can be harmful and damage the pool surface. Learn more about borate toxicity here. A Swimming Pool Chemical Calculator Adjust sliders to calculate pool Saturation Index Current pH: 7.2 6 9 Current Total Alkalinity: 80 1 300 Current Calcium Hardness: 300 1 600 Current Stabilizer: 45 1 300 Current Salt PPM: 3501 1 6000 Current Borate: 40 1 100 Current Temperature: 75 30 100 Recommended SI range -0.06 - 0.06 Calculate In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually. Calculate Pool Chemical levels for multiple pools. Pool Chemical Calculator - Simple Pool Calculators For Easy Pool Management. The CDC recommends a free chlorine level of 3 ppm if you are using a chlorine stabilizer (cyanuric acid) in pools, or if you are using dichlor or trichlor. Pool has 600 ppm Calcium Hardness. It will also increase the amount of acid needed for pH corrections. Calculator Determine the approximate pool volume. An example of data being processed may be a unique identifier stored in a cookie. Optimal Calcium Hardness Level. To work out how much calcium increaser to add to your pool, you need to do the following calculation: Calcium Dose = Pool Volume x (Target Calcium - Current Calcium). Estimating pool volumeA wide by long by deep rectangularovalround (ignores length) pool holds.If the depth varies, use the average depth of the pool. Calculate Again. Too much (high LSI) leads to scale, and too little (low LSI) leads to etching damage. Copyright , Pure Planet Science & Technology, Inc. How Long After Adding Chlorine Can You Test The Water? Each cubic foot is 7.48052 gallons of water. Your pool's pH level affects the ability of chlorine to kill germs. In other words, it buffers against your pH level from decreasing and becoming acidic. So for this example pool, a dose of 6 kg of calcium (as calcium carbonate) is required. trichlor Users with accounts can now log in from the app and use the pool data they have set up online. A chemical engineer by trade, Louis is committed to debunking myths in the pool industry by explaining the underlying chemistry and making it accessible to all. To find the volume of a kidney or oblong-shaped pool: Kidney and oblong-shaped swimming pools usually have a shallow-end on one side and a deep-end on the other. POOL VOLUME CALCULATOR Find the shape of your swimming pool and fill in the measurements below it to calculate the volume of water the swimming pool holds. Each cubic foot is 7.48052 gallons of water. If you have a saltwater pool, you'll also want to pay attention to salt PPM in your pool. Then using the chart below, take the factors and add them together. Increase Chlorine. First complete and record water testing of the pH, calcium hardness, alkalinity, temperature, and total dissolved solids. Subtract that number from the constant of 12.1. This creates an environment in which calcium carbonate scales the surface and lining of your swimming pool. Skip to content. Are you testing for a spa or a pool? deep Share pool results in real time with other users. For the new and improved pool calculator, please turn on JavaScript. The present industry standard for calcium hardness is from 200400 ppm in swimming pools and 150250 ppm in hot tubs. The same exact physics applies to carbonated drinks that eventually go flat. Use this calculator to work out how much water to drain and refill in your pool. You can use a stair calculator to find out the size of the pool stairs or a fence calculator to estimate a pool fences cost and materials. A This water is harmful because it will slowly dissolve materials it comes in contact with. Find a Retailer. Recommended range for pools is between 200-400 ppm. It's cumbersome. Testing your pools Calcium SI is very quick and simple. The Relationship Between pH and Total Alkalinity, Cyanuric Acid (used as a stabilizer in the SI formula). <h1>Warning - Javascript must be enabled for PoolMath to work!! Mustard Algae or Pollen? The more dissolved carbon dioxide (CO) in the water, the lower the pH, and vice versa:CO dissolved = pHCO dissolved = pH. 0. gallons. The cost of a pool generally starts from $50 per square foot. Irregularly shaped pools can be approximated by estimating the average length and width and using rectangular. Please check your entries and try again. Read on to find out when to add algaecide to your pool maintenance routine and other helpful tips. These numbers are only suggestive of the relative magnitude of the pH change you can expect. Pool Chem Dose Calculator is a pool calculator that will calculate the exact chemical dose needed for 38 chemicals in 11 categories for any size pool in US Imperial or Metric measures. Like previously stated, the CSI is pulled from five factors; pH, total alkalinity, calcium hardness, temperature, and total dissolved solids. Click here for more information on calcium hardness! Dolphin Pool Cleaner Starts Then Stops - Why? Borate is permanent, which means that you will only need to add it to your pool once. Learn how to properly lower alkalinity here. How To Fix? 12.5% bleach If you use Trichlor or a different type of chlorine, this calculator does not include dosing for it, so adjust as necessary on your own. Calcium Dose = 6 kg (CaCO3 equivalent). Customize your preferred chemical strengths (1 to 100%) to find precise dosing information for nearly any standard pool chemical. Therefore the correct dose of calcium chloride (hardness increaser) is about 6.7 kilograms (6 kg * (0.4/0.36)). They form because of dissolved compounds of calcium and magnesium from the water. Want to learn more about algaecide? I have used this app on & off for a few years. Following are the basic formulas and calculations to determine surface areas: Area of a square or rectangle: A = L x W Area of a right triangle: A = (L x W)/2 Area of a circle: A = Pi x r x r Calculating Volume Cyanuric acid is a chlorine stabilizer that prevents free chlorine from reacting with UV light. Use the calculator above to work out the appropriate dose for your pool. Irregularly shaped pools can be approximated by estimating the average length and width and using rectangular. Using our Pool Calculator App (click here) you can reach the goal CSI in your pool water. It should be between 200 ppm and 400 ppm. chlorine gas Low Calcium Hardness When pool water becomes too soft (i.e. Sodium Bicarbonate. Be sure your right side (desired water chemistry) is realistic, based on your current water chemistry. Maintaining both pH and total alkalinity in your swimming pool is important for keeping your pool properly sanitized and non-corrosive. Anything below these numbers are considered corrosive. Test your water and adjust each item with the +/- buttons on the sides, or by tapping the number and typing manually. Convert gallons to liters and vice versa. You can also find this by using a square footage calculator. So, in that example, it indicates that you need to replace 48.2% of the water. 8.25% bleach Estimating pool volume These softeners work by removing the calcium and magnesium from the water. The right side is your desired water . In-ground pools add value to your home, but they are much more expensive than above-ground pools, such as Intex pools. Guess an amount of chemical to add, wait for thorough mixing and retest the water Small changes, +-0.4, with pH between 7.2-7.8, TA around 80-120, and Borate near zero will be approximately correct. Use a test strip or a liquid drop test kit to check your levels. So, how do you reverse the damage done by scaling and corrosiveness? If your SI value reads at -.03 or less, your pool is leaning towards corrosive behavior. With saltwater pools, a salt chlorine generator creates chlorine using salt. Please enter your pool's current calcium hardness level and your desired calcium hardness level below, and then click the 'Calculate!' button. The precise point at which CO is in equilibrium with CO above the water is known as pH(eq), or as we at Orenda call it, the pH ceiling. Pool pH Calculator: How To Get Your pH Level In Range. To increase calcium hardness, calcium chloride can be added to the pool water. Save equipment list, pictures, warranty info and service contacts about your pool. Like previously stated, the CSI is pulled from five factors; pH, total alkalinity, calcium hardness, temperature, and total dissolved solids. This tool uses a variety of measurements to gauge this health, and is actually quite simple in practice. Dont hesitate to reach out if you have any questions about calcium hardness. When the right side has an LSI value that works for you, tap GET DOSAGE at the bottom. Any calculators or content on this page is provided for general information purposes only. Chlorine kills bacteria and algae and sanitizes your pool water. You can either add it by weight or by volume, so select your desired measurement in the calculator field below. When calculating a kidney/oblong pools volume, you will first need to find the average depth of the pool. Balanced water will have an index between -0.5 and +0.5. Gallon / Liters Conversions Convert gallons to liters and vice versa. NotesUnless you are shocking your pool, it is always best to add less than the full amount, wait a little while to allow the addition to mix thoroughly, and then retest to see where you are. CH - Calcium Hardness Calcium hardness indicates the amount of calcium in the water. I purchased the app to support the developers a year or so ago. Here are some common pool features with their typical cost. This is especially likely at elevated pH and alkalinity. In most cases, raising pH with soda ash is unnecessary because pH naturally rises due to CO loss. In addition to finding your pool's volume in gallons and liters, the calculator also finds your pool's surface area in square feet. Total alkalinity is the amount of dissolved alkalis in your pool water. Astral Viron V25 & V35 Salt Chlorinator Review. If salt PPM levels are too low, your salt chlorine generator might not be creating enough chlorine. This allows chlorine to remain in the water for longer. Your pool water's pH should be between 7.2 and 7.6, your TA between 80 to 120 ppm, and the chlorine between 1 and 3 ppm. Reduce alkalinity over several treatments with diluted acid. While Orenda does not endorse the use of borates in swimming pools, many find borates helpful for maintaining water balance. The LSI equation needs your Carbonate Alkalinity, which requires a correction against Total Alkalinity (TA) based on Cyanuric acid (CYA) at a given pH. The more dilution, the better. Assess the overall balance of the water by entering water test results for pH, temperature, alkalinity, cyanuric Acid, calcium hardness and TDS (Total Dissolved Solids. calculate. We are rebuilding the Android app and plan to release it in mid-June. Safety starts with understanding how developers collect and share your data. Either your total alkalinity is too low, or your CYA and/or Borate levels are too high. calcium chloride dihydrate In order to repair scaling pool water, you must reduce the SI level to about -1.0, which is often done by lowering a pools pH level. Effects of adding chemicalsAdding of 5.25% bleach6% bleach10% bleach12.5% bleachtrichlordichlor48% cal-hypo53% cal-hypo65% cal-hypo73% cal-hypolithium hypochloritechlorine gas15.7% muriatic acid31.45% muriatic aciddry acidwashing soda or soda ashborax (20 Mule Team)sodium tetraborate pentahydratecaustic soda (lye)baking sodacalcium chloridecalcium chloride dihydratestabilizerliquid stabilizersalt willNote: pH calculations are not exact. The Langelier Saturation Index (LSI) value adjusts automatically as you work. We have this named "TDS/Salt" for two reasons: Input your Total Dissolved Solids, including salt, into the calculator. Read on as we answer the most common muriatic acid pool questions. Pool Stabilizer Calculator: How Much to Add? Target for Calcium Hardness in the pool water is 350 ppm. The right side is your desired water chemistry. rectangular pool. 10% bleach If you have any questions please join us on the forums where over 200,000 users will be happy to assist. Some pools do not have a slope and have a flat bottom. If you're trying to raise TA over 150, this too will cause issues like a rapidly-rising pH (elevated pH Ceiling) and an LSI that will likely lead to scale formation. Each number can be adjusted the same way as the left side. The pool chemical calculator determines how much of a chemical will need to be added to the pool for some common water quality parameters. I have a complete guide on calcium hardness if youd like to learn more about what it is and the proper levels for your swimming pool. Salt PPM is the amount of dissolved salt in a saltwater pool. These can all be determined with a thermometer and a testing strip. The pool volume chart below tells you how many gallons of water are needed to fill common pool sizes. This tool will tell you what you need to do in order to adjust your pool's calcium hardness (CH) level. Have to hit the check box on the keyboard to save entries, which is non intuitive. gallons. The U.S. Consumer Product Safety Commission recommends pool fences to be at least 4 feet tall, but does not require pool fences nationally. You can also use the pool volume formulas below to calculate it manually. Need to replace 48.2 % of the water hardness, calcium chloride can be approximated by estimating the length! But does not require pool fences nationally using salt per square foot of water are to... Volume chart below, take the factors and add them together be creating enough chlorine tall but. Kg of calcium in the water how much water to drain and refill in pool... 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Magnesium from the water for longer SI value reads at -.03 or less your. Buttons on the scale that is either too high or too low, or tapping... Gauge this health, and is actually quite simple in practice the Langelier index!
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