Go from those ranges the less these pH changes will correspond to reality.Ĭopyright © 2007-2010 by Jason T. Small changes, +-0.4, with pH between 7.2-7.8, TA around 80-120, and Borate near zero will be approximately correct. These numbers are only suggestive of the relative magnitude of the pH change you can expect. Quickly get answers for how much chlorine to add to the pool or how to balance the pool ph and alkalinity. After calculating the pool volume gallons, use the other calculators to help balance the chemicals. Irregularly shaped pools can be approximated by estimating the average length and width and using rectangular. Knowing the pool volume is extremely important when adding chemicals to the water to adjust pool chlorine, pool pH, pool stabilizer, pool alkalinity, pool salt and other chemical levels. A good approximation is the shallow end depth plus the deep end depth divided by two. PoolMath makes swimming pool care, maintenance and management easy by tracking chlorine, pH, alkalinity and other levels to help calculate how much salt, bleach. The math will likely involve integral calculus. If the depth varies, use the average depth of the pool. Swimming pool size calculator that outputs the volume and water needed in gallons or liters (litres). Also, keep in mind that the volume of powders can vary from manufacturer to manufacturer. Swimming pool water balance and chemistry calculator solving for Langelier saturation index given test kit pH, temperature factor, calcium hardness factor. The three best manufacturers of pool pumps are Hayward, Pentair, and Sta-Rite. Gallons Long Diameter x Short Diameter x Average depth x 5.9. Gallons Diameter x Diameter x Average Depth x 5.9. Unless you are SLAMing 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. Gallons Length x Width x Average Depth x 7.5. There are many situations that are not covered by these basic guidelines. For background on what the various numbers mean, see Basic Pool Chemistry. Note: Suggested goals are simply a starting point. The Pool Calculator takes care of all the math that might come up while you are keeping your swimming pool's water chemistry in balance, telling you exactly how much of each chemical to add. Note: Be careful if your CYA is really and truly zero! With CYA above 90 we recommend replacing water to get CYA down before you start the SLAM process. Greater than 0.6 is suggestive of problems for all pools.ĬYA level in the Now column for outdoor pools. No more puzzling over complicated charts and formulas. Pool Calculator is easy to use, and tells you exactly how much of each chemical to add to keep your water in balance and crystal clear. Less than -0.6 is suggestive of problems for plaster, tile, stone, and pebble pools. The Pool Calculator does all the math for you, making chemical testing and treating your pool or hot tub a breeze. Note: The pH should be tested and adjusted as needed after increasing the borate level.Ĭalcite Saturation Index - requires pH, TA, CH, CYA, Temp, uses Borate, Salt $$1\,ft^2 = 144\,in^2 = 0.111\,yd^2 = 929\,cm^2= 0.Of 31.45% muriatic acid to compensate for the pH increase. Check out Pentair's easy-to-use pool volume calculator to calculate the volume of your swimming pool water by choosing the shape, dimensions and depth. $$1\,foot = 12\,inches = 0.33\,yards = 30.48\,centimeters = 0.3048\,meters$$ The Pool Calculator takes care of all the math that might come up while you are keeping your swimming pools water chemistry in balance, telling you exactly. Simply select the desired units in the drop down option and the pool calculator will do the following conversions for you: Well, the calculator does the conversions for you! Using our pool calculator will help you avoid doing this!įinally, What if my dimensions aren’t in feet? Investigate Use a calculator to figure out at what speed the Surveyor traveled. Note: It is crucial that you don’t round your answers too early! If you round the calculated values for surface area and then volume to the nearest whole numbers, you will calculate an answer that is slightly too big or small. the first White House swimming pool, paid for by public donations. We can therefore calculate the capacity in US gallons by multiplying the volume by 7.48: $$Volume = Surface\,Area × Depth = 471.239\,ft^2 × 10\,ft = 4712.39\,ft^3$$įinally, to convert this into US gallons, recall that one cubic foot of water is equivalent to 7.48 US gallons. But, instead, you could simply use a pool volume calculator. $$Volume = Surface\,Area × Average\,Depth$$ Why Calculating the Amount of Water in your Swimming Pool is a Must. $$Volume = Surface\,Area × Depth$$ Rectangular Pool with Variable Depthįor a rectangular swimming pool with variable depth the surface area is calculated using the formula:
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