Enter pool volume in gallons or liters, current ph, current alkalinity and desired ph and it calculates the amount of acid needed for three kinds of acid in metric or us units of measure. This article is a user manual for our pool water balance calculator seen above. Please enter your pools current ph level and your desired ph level below, and then click the calculate. However, should you desire to show your appreciation, please consider making a donation. If you ever notice a while line or scaling around your pool s water line, its probably calcium buildup. If ph is too low, the water can be corrosive to pool equipment. This ph calculator tells you the exact amount of acid needed in any pool or spa to lower ph or total alkalinity. This calculated value is fundamental in chemistry, because it has implications for industrial, pharmaceutical, and other commercial applications, such as food and wine. This spreadsheet is totally free and you may use it however you would like. Pool calculator provides the tools and maintenance information you need to. And keeping the pool water balanced is a key factor in achieving this goal. Designed especially for you, it provides product information on bestselling pentair and starite products, including pumps, filters, heaters, sanitiz.
Most better test kits have an acid demand test, which allows you to calculate the amount of acid to add in order to correct the ph. In a closed 50 gallon system, there is desired a ph change. Calculate ph using either the concentration, weight, or volume method. Assuming that the total alkalinity level is correct, we adjust the ph according to the results of the ph test. Do not forget to enter the pool water volume in the field pool size. If the ta is way off, make an adjustment and then retest after 24 hours. Free to use pool calculators lowry consulting group llc. How to lower alkalinity in your pool the rifgt way. Heres the pool water chemistry parameter guidelines that we use they are also on page 258 of the cpo handbook. Free ph calculator, calculate amount of muriatic acid or soda ashe needed to adjust pool ph to desired level. To have ph in balance we adjust the water with additions of ph increasers bases or ph decreasers acids to achieve the range of 7.
By accepting this terms, you are acknowledging the aforementioned and do not hold pool operation management responsible for your actions. For background on what the various numbers mean, see basic pool chemistry. Water chemistry calculator sanitizers hayward pool. Featuring customizable chemical feed options and internal data storage, its the most advanced within the hcc series. Or move the slide selector below the field to the desired ch value 5.
Pool calculator pool math for volume and chemical dosing. Neutral ph is very good for your pool and the industry standard is between 7. If ph is too high, then the chlorine becomes much less effective for sanitization. This is, coincidentally, in range with proper ph levels for your pool. High alkalinity, lowering alkalinity in your pool youtube. Below are two methods to solve for the langelier saturation index. Pool calculator provides all the tools and information you need to keep your swimming pool and hot tub chemistry balanced and your water crystal clear. Pool boy pro includes multiple calculators, and charts so you can see the change in readings over time. It was developed by noted pool and spa water chemistry expert and author, robert w. The information is usually listed, for example, as 2. And how often you see it is directly related to your pool s calcium hardness level. Pool alkalinity what you must know how to adjust total. The ph of solutions can be altered by adding acids and bases. 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 how much of each chemical to add.
The calculator shows how much calcium chloride you have to add to achieve the. Calculations are approximate, and for ph changes greater than 0. Well water often presents problems with water chemistry. Test your swimming pool ph use a pool water testing kit to learn your ph level. Important safety rules to follow when balancing pool water.
This tool allows the calculation of the ph values of diluted bases and acids. This calculator assumes a ta of 100 and a borate of 0. There are many environmental factors that affect water chemistry like. Altering your ph will also alter your total alkalinity. If the page is not updated in 2 seconds, please follow this link. Pool chemical dosage charts before you use any of the following information to adjust your swimming pool andor spa chemistry, please refer to the safety information toward the bottom of this page. Use a ph decreaser like sodium bisulfate, or muriatic acid to lower your pool waters ph. Pool chemical dosage charts the ultimate in pool care. If your ph is too far toward the base side, your pool can be at risk for scaling. The pool can be cleaned using the maintenance kit vacuum either powered by sfs system or hose. This information is on the product label, or in the test kit guidebooks. Never mix chemicals including different types of chlorine. Just enter whatever chemical readings you prefer using any test kit you own, and pool doctor will tell you exactly what chemicals to put into your pool and. Swimming pool water balance equations formulas calculator maintenance hot tub pool wading.
Balance your pool water in 7 easy steps how to adjust. Calculating ph requires knowledge of both total alkalinity and borate. Swimming pool water balance, pool testing and water chemistry. The pool calculator for background you will also want to read recommended pool chemicals over at pool school. Its free and its the first of its kind in the pool industry. Save time and money by keeping your pool water properly balanced. If you have a spa, we are talking only capfuls at a time. How to test, raise, and lower swimming pool ph level. Water chemistry calculator sanitizers hayward pool products.
Find the shape of your swimming pool and fill in the measurements below it to calculate the volume of water the swimming pool holds. If you put too much acid into a solution, you will have to use a base to raise the ph once again. This is the most common target point for pool water. A free water chemistry tool useful for achieving the desired mash ph and preferred water characteristics when brewing beer.
These pool calculators are free to be used by people who maintain their own pools, pool maintenance professionals, or anyone else with an. Perfect pools are a picnic with the power of pool pal. To avoid high alkalinity, add alkalinity increaser slowly by slowly while measuring its level and always ensure that your total alkalinityta is within the recommended range of 80 120ppm because if it goes above 120ppm, your ph will definitely rise high. How to calculate chemicals needed to adjust pool chemistry you will need the dosage information for the chemical, i. This tool will tell you what you need to do in order to adjust your pools ph level. This tool will tell you what you need to do in order to adjust your pool s ph level. I didnt mention this in the video but when you add your acid make sure the pump is running to help move the acid around the pool and dont pour the acid in near the skimmer. Pool ph level calculator pool calculator pool math for.
Assess the overall balance of the water by entering water test results for ph, temperature, alkalinity, cyanuric acid, calcium hardness and tds total. Failure to test your pool alkalinity levels can and will result in the water chemistry of your swimming pools and spas becoming unbalanced. Length metres width metres depth deepest metres depth shallowest metres. Enter the ch level that you want to get in the field ch target and press enter.
Calcium, chlorine, cyanuric acid, alkalinity, and ph. Dealing with pools has allowed tfp to become the original authors of the best calculator on the net. You generally need to know the volume of the pool to calculate the quantity. Knowns here are initial and desired ph, system volume, and concentration of titrant. If you blindly mix an acid with water, you are unlikely to add the correct amount. Never add water to chemical, always add chemical to water. If the ph is way off, we recommend making an adjustment and then. The advisable ph level for your pool water should be somewhere between 7. How do i calculate the amount of acid to reduce water ph. Just enter whatever chemical readings you prefer using any test kit you own, and pool doctor will tell you exactly what chemicals to put into your pool and why. In other words, it is better to make slight adjustments when the ph gets a little high or low than to wait for the ph to get way off and try to adjust it all back at once. You can choose which value you want to leave blank.
Use these smartphone apps to maintain your pool home. Please insert three values, the fourth will be calculated. Please enter your pool s current ph level and your desired ph level below, and then click the calculate. Swimming pool water balance equations formulas calculator. Any adjustments made to chlorine or alkalinity do have an effect on ph. The pool calculator is a handy web based calculator for figuring out amounts of chemicals to add, what your calcite saturation index is, and what appropriate fc levels for your cya level are. With pool doctor, you can adjust the chlorine, bromine, salt, ph, total alkalinity, calcium hardness, and even the cyanuric acid levels in all of your pools.
It is the only lsi calculator that currently has exact adjustments for cyanuric acid and borate. As a neutral dilution liquid ph value 7, water is estimated. What volume of 36n 18m h2so4 must be added in order to attain the desired ph. Pool pal is a handy calculator designed to properly help manage your pool chemical balance. Pool calculator swimming pool maintenance tools and. The npc lsi calc is the newest, most advanced and most accurate calculator for determining the langelier saturation index lsi for swimming pool and spa water. Use the app to troubleshoot common pool problems, receive personalized product recommendations and shop products poolside at. Enter goals and test results and pool pal will recommend chemical quantities. Knowing the pool volume is extremely important in calculating the amount of chemicals needed to add to the water when adjusting the pool chlorine, ph, stabilizer, alkalinity, salt or any other chemical levels. This android app pool pal helps track free chlorine, hydrogen peroxide, ph, total alkalinity, calcium hardness, stabilizer, salt, bromine, borates, water temperature, cc, backwashing, filter cleaning, tds, and flow pressure. Discover the pool calculator behind the perfect pool, poolmath. Pool chemical calculator pool calculator pool math for.
The other biological buffers solutions that can be best used for controlling ph are either aces or pipes. Pool calculator swimming pool maintenance tools and chemicals. To increase the pools ph, add soda ash according to table 6. For method 2, the user will need to manually look up the values from the table and place the. If the ph of your swimming pool water drifts too far toward the acid side of the scale, corrosion of pool surfaces and equipment can occur.
So which spa or pool chemical calculator app do you choose. It supports bromine, chlorine and saltwater pools and tracks a myriad of chemicals and statistics, including water temperature and langelier and calcite saturation indexes. Best free swimming pool smartphone apps platinum pools. Tracks free chlorine, bromine, hydrogen peroxide, ph, total alkalinity, calcium hardness, stabilizer, salt, borates, water temperature, backwashing, cc, filter cleaning, flow, pressure, and. Download the tool that helps you have more engaging conversations with your customers. Pool alkalinity is a major part of pool water chemistry balance. The concept of ph balance can be confusing, but it is actually fairly simple. One of the major reasons why ph rises above the recommended level for a swimming pool is high alkalinity. Method 1 automatically calculates the various factors temperature, hardness and alkalinity. Test the water for calcium hardness ch and enter it in the field current ch. In the swim calhypo nonstabilized pool chlorine granules 25 lbs. 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. If you are adjusting for more than one chemical, make additions in this order.
To help you better understand the calculator and keep your water clean and clear, you should also view the following. For a more exact idea of how much acid to add, see the table below, or see this pool calculator that will give you an amount based on estimated pool volume and chemistry. I want to know the correct volume to be added and the calculations for such a. A swimming pool in optimium performing conditionone that is healthy and safe as possibleshould be the goal of every certified pool operator. Excessive levels of chlorine or low ph levels will damage the pool liner. How to lower total alkalinity and adjust ph in a swimming pool. How much muriatic acid to add to adjust swimming pool ph.
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