The number 3.14, refers to pi, which is a mathematical constant. Squared means multiplied by itself, so multiply the radius by itself. For example, the hot tub depicted in Figure 2 is 4 feet deep, but the water is only filled to about 3 feet. Aquatic Systems Australia/New Zealand. (Pool chlorine and pool acid, if mixed, produce chlorine gas; if inhaled, it can be fatal.) To keep your swimming pool or hot tub at its best, it’s important that you accurately calculate your water volume. Find the latest information on all of your pool needs! Have Questions? The theoretical "solid" density follows each item. If you have any questions, please call us at 631-242-2667. One inch equals 0.0833 feet. It is a rough approximation at best but if you want to convert a … By the way, 1 fluid ounce volume per ounce weight … If pH is too low, the water can be corrosive to pool … Make sure you weigh or measure the chemical … Using 4 feet in this calculation will result in a volume 33 percent greater than the actual amount of water. The diameter of the tub is 10 feet. This becomes obvious since a gallon of water weighs 8.3 pounds but a gallon of chlorine weighs 10 pounds (in a 15 percent solution). Please give us a call! (A + B = 18 feet). Knowing your pool volume gallonage is important to determine the proper product dosing amounts and application frequency specific to your pool. Pool Volume: Shopping With Us. The chlorine is a denser liquid; there's more of it than an equal volume of water. The total of measurement A plus measurement B multiplied by 0.45 multiplied by the length gives you the surface area of the kidney shape. Multiplying that by the depth gives the volume in cubic feet. Try this volume calculation: 0.45 x 18 ft x 25 ft x 5 ft x 7.5 = 7593.75 gallons. A simple method of calculating pool size is the use of geometric formulas. Let's do the tricky part first. If you click on the volume weight then scroll up to the size column it shows exactly the amount by volume. Chemical Calculation. 25.75 ft x 10 ft x 6 ft x 7.5 = 11,587.5 gallons, The formula: 3.14 x radius squared x average depth x 7.5 = volume (in gallons). Length x width x average depth x 7.5 = volume (in gallons). x 0.0833). The rest of the calculations you are now familiar However, one gallon of chlorine, for example, poured into one million gallons of water does not equal 1 ppm. © 2020 Pool Corporation. NESPA Awards the Ultimate in Pool Care Gold for Customer Service! Current salt reading. If the shallow end is 3 feet and the deep end is 9 feet, and assuming the slope of the pool bottom is gradual and even, then the average depth is 6 feet. Apply the formula in Fig. There might be a time when you want to know the potential volume, if filled to the brim. Measure these various areas and use the calculations described previously for each square or rectangular area and for each circular area. In the wooden hot tub, where there is actually water above and below the seats, the tub can be measured as if there are no seats because this difference is negligible. Add enough bicarb to make a measurable change (this will be about 2-4 pounds per 10,000 gallons). weight per volume: used where a solid chemical is dissolved in a liquid (e.g. 2. The radius is one-half the diameter, so measure the distance across the broadest part of the circle and divide it in half to arrive at the radius. Average depth = ( Depth at the shallow end + Depth at the deep end ) / 2. At the top left, select whether the pool is residential or commercial; At the top right, input gallons of the pool The left side is your current water chemistry.Test … 5. First, you can imagine the pool or hot tub as a combination of smaller, regular shapes. 1. Calculating a pool's area in square feet is the first step in determining information including pool gallons, maximum capacity of persons and other important information about your pool. Add sodium bicarbonate (baking soda) to the pool. Before you use any of the following information to adjust your swimming pool and/or spa chemistry, please refer to the safety information toward the bottom of this page. For background on what the various numbers mean, see Basic Pool … Calculate the volume of the shallow section and add that to the volume you calculate for the deeper section. Calculate how much of each chemical is needed to keep your water in balance. For more detailed information on the calculations, read more below the calculator. = 36 inch wide x 36 inch long x 36 inch high, One cubic foot of water contains 7.48 gallons, One cubic foot of water weighs 62.4 pounds. In measuring the capacity of a circular spa, you might need to calculate two or three areas within the hot tub and add them together to arrive at a total volume. Squared (multiplied by itself) means 5 feet times 5 feet equals 25 square feet. Then you’ll multiply that number by the depth to calculate the volume in cubic … With the circulation system running and after brushing for proper dilution, … This is the measure of acid and base in the pool water, and it’s important to maintain just the right balance: If the pH of your swimming pool water drifts too far toward the acid side of the scale, corrosion of pool … This would allow us to specify volume instead of weight for those that find it more convenient. Enter your pool specifications below to calculate your pool volume. To estimate how much of each chemical you will need, the first step is to determine the volume of your pool. More complicated pool shapes will require multiple calculations and adding them together. The Ultimate in Pool Care and our DBA Chaikin Ultimate Pools are deeply committed to the health, safety and well-being of our customers, employees and communities. Swimming pool and spa chemicals can be dangerous to your health and even harmful to life and and/or property if not handled with appropriate care, and require special handling and storage methods. Please note that any information associated with pool and spa chemistry that we provide via our web site is provided as a service to our customers to allow you to adjust your chemistry yourself. Pool Volume Calculator. Make sure to use the actual water depth in your calculations, not the depth of the container. Pool Chemical Dosage Charts Jan Cohen 2020-02-25T13:20:31-05:00 Pool Chemical Dosage Charts Before you use any of the following information to adjust your swimming pool and/or spa chemistry, … The following form represents an easy method to calculate pool volume. This is not always true. An empty circular hot tub looks like an upside-down wedding cake, because of the seats. Langelier Saturation Index (LSI) Assess the overall balance … By the way, 1 fluid ounce volume per ounce weight is equal to 0.9586 g/ml..... DENSITY (g/ml) Pool Chemical … Desired … Looking at PoolMath, seems that oz for the soda ash is in volume, not weight. Add these volumes together to determine the total capacity. Tab 2: To Lower Alkalinity using Sodium Bisulphate, Tab 3: To Raise Alkalinity using Sodium Bicarbonate, Tab 4: To Raise Calcium Hardness using Calcium Chloride Dihydrate, Tab 5: Super Chlorination for Removal of Green Algae, Tab 6: Daily Chlorination Addition to Introduce 3.0 PPM, Tab 7: To Raise Chlorine Stabilizer Level using Cyanuric Acid. You should keep your outdoor pool or spa's Cyanuric Acid level at 0 to 50 PPM. All of the chemical balancing recommendations you receive from the Pool Calculator are based on it. Required Data Entry The volume of water is (1 to 9,999,999 … 3. That said, if you do adjust your chemistry yourself, we have to warn you that you do so at your own risk. Please refer to the special SAFETY CAUTION that follows for more information. Important! All you need is an alkalinity test kit, sodium bicarbonate or … For example, "Effects of adding chemicals" says 22 oz of soda ash will raise pH by 0.1 and raise TA by 3.1. In the example, that was 4 feet. Measure the length, width, and average depth of the pool, rounding each measurement off to the nearest foot or percentage of one foot. This would allow us to specify volume instead of weight for those that find it more convenient. The following is a list of dry chemicals where such density measurements would be useful. To do that, you need to know four different numbers: the length, width, average depth, and a multiplier for your type of pool. For pools between 15,000 and 30,000 gallons, add precisely 5 pounds of sodium bicarbonate. All Rights Reserved, NPT Backyard App - Pool Volume Calculator | Pool Tools, Pool Volume Calculator | Pool Maintenance, Constant Depth Pools: Square or Rectangular, Variable Depth Pools: Square and Rectangular. If your pool has only one depth, you’ll measure the length and width to calculate the surface area of the pool. For additional help, contact a swimming pool professional. One of the most important calculation you will use is parts per million (ppm). particularly with pool chemicals that have different densities. Determine the approximate pool volume. Since there are 7.5 gallons in each cubic foot, multiply the cubic feet of the pool by 7.5 to arrive at the volume of the pool (expressed in gallons). We know that our customers rely on us for their swimming pool & spa needs... Tab 1: To Lower Alkalinity using Liquid Pool Acid, Copyright © 2010 - 2020, The Ultimate in Pool Care. yd.) Orenda’s Pool Dosing Calculator Instructions. 2,800 ppm. pH is the measure of how acid/alkaline the pool water is. The Ultimate in Pool Care will not be held responsible for any injuries to your health, life, and/or property associated with the use of information in the tables included in this document. This could mean serious errors when adding chemicals for example, which are administered based on the volume of water in question. So wherever possible, chemical additions for the home owner are most easily prescribed by volume rather than weight. Therefore, you might want to treat it as two separate volumes-the volume above the seat line and the volume below. However, when you encounter a pool that falls outside of the normal array of pool shapes, you can turn to a chemical method to measure volume. That seems to correspond to numbers under the "pH" section at top, where increasing pH from 7.4 to 7.5 (i.e., +0.1) with TA = 100 calls for 22 oz by volume 1. One part per million (ppm) represents 8.3 pounds of chemical per million gallons of water. Example CH add 78 oz by weight or 62 oz by volume… million parts of water, or 3 ppm. There are two methods used to calculate the capacity of irregular shapes. To help, this list shows common terms and their equivalents: Square foot (sq. But at the same time, you need to tell users that is they add chemical by volume, … Here is a great tool to calculate the volume or capacity of your pool. RELATED: Easy Pool/Spa Chemical Formulas. Length times width gives the surface area of the pool. The theoretical "solid" density follows each item. The Pool Calculator. In such a case, you might want to treat the pool as two parts. Chemicals should never be added directly to the pool while it is open for use! Use the hot tub to calculate the volume of a round container. This becomes obvious since a gallon of water weighs 8.3 pounds but a gallon of chlorine weighs 10 pounds (in a 15 percent solution). Length x width x depth x 7.5 = volume (in gallons). ft.) = 12 inch wide x 12 inch long x 12 inch high, Cubic yard (cu. Testimonials; Blog; Contact; Tools. Pool Calculator provides the tools and maintenance information you need to keep your swimming pool and hot tub chemicals balanced and your pool water crystal clear. Products; Manuals; Brochures; Resources; News; Dealer Resources; Home >> Resources >> Calculators >> Pool Volume Calculator Length times width gives the surface area of the pool. Then take a second water sample from the pool and test the alkalinity again using the same 10 times of pool water volume. This article describes in detail how to calculate the size and capacity of the pool you are planning. Volume Calculator. Following are the basic formulas and calculations to determine surface areas: The cubic volume can be calculated by including the depth of the pool with the surface area. The amount of solids and liquids in the water is measured in parts per million, as in three parts of chlorine in every one 1. Therefore, multiply the number of inches in your measurements by 0.0833 to get the appropriate percentage of one foot. When applying pool chemical… with. = 25 ft + (9 in. All Rights Reserved. Your Account; Purchase History; Warranty Request; Return And Refund Policy; Terms & Conditions; Get to Know Us. Since there are 7.5 gallons in each cubic foot, multiply the cubic feet of the pool by 7.5 to arrive at the volume of the pool, expressed in gallons. 1 oz dry weight is 1/8 cup or 2 tblsp. First and foremost we are all sending our hopes and prayers that you are all well and safe. Time should be allowed for the chemicals to circulate throughout the pool … For larger pools, add 10 pounds. 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Gallons ) of geometric formulas size and capacity of the water rather than the height of pool. Detailed information on all of your pool, width, and average depth the. 3.14, refers to pi, which are administered based on the calculations you are planning that... Your wall us at 631-242-2667 feet times 5 feet to arrive at 25 feet pool yourself... Two liquids are not of equal density of your pool specifications below to calculate your pool volume.... Yourself, we have to warn you that you are all sending hopes... Take the same measurements for the deeper section is to determine the volume of a round container for deeper... … pool volume, which is a mathematical constant water depth in your measurements by 0.0833 to Get the percentage! Ph is the measure of how acid/alkaline the pool and Refund Policy ; Terms & Conditions ; to... Shallow end + depth at the shallow section, then take the same measurements for the deeper.... 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