You need to perform a backwash after a major storm. Follow the steps below if you want to backwash a DE filter. The stated size ranges for sand and gravel are generally 5 and 95 percentiles. WHEN. A good rule of thumb is to backwash once the pressure displayed on your pressure gauge is 8-10 psi over the starting level. Pressure is different for every pool, filter, pipe size, plumbing arrangement, and heating combination, and depends on your particular combination. Thus, ensuring the backwash valve is clean before usage. Turn the pump motor back on and pump out dirty water until the water runs CLEAR out of the hose or sight glass, then turn off the pump. Use a Sand Filter Cleaner Use a Sand Filter Cleaner, once in a while, to remove oils, minerals and metals that promote clumping and clogging of the sand. Unroll the backwash hose & make sure it is tightly clamped & laid out where you want the wastewater to go. 2. To clear out any remaining debris. If your filter is normally operating at 15 PSI but suddenly rises to 25 PSI, you should backwash it. What is Filter Backwash. Turn the power to the filter pump back on & run it for at least 3 minutes. The optimal time is right after you vacuum the pool. When to Backwash Your Pool Filter Typically, you should backwash sand filters every two to four weeks, and DE filters require backwashing every four to six weeks. Your best bet is to replace the swimming pool filter sand. Designed for long-lasting and problem-free pool filtration that rids your pool of impurities, so you can swim, soak and splash around. Allow the pump to run on the backwash setting for at least two minutes. This will help ensure that the water. Analyses were performed on sample 112KWBMF in accordance with Letter of Instruction for K Basins Sandfilter Backwash Line Samples (LOI) in support of the K Basin Sandfilter Backwash Line Characterization Project. Backwashing will keep the filter clean and prevent clogging for a longer duration. When the pressure gauge reads approximately 5 to 7 PSI above the normal operating pressure you know that the filter is dirty and it is time to backwash. Backwash your pool sand filter when the pressure reading is around 10 psi higher than the normal psi. Sample 112KWBMF was taken from the K West Sandfilter Backwash Pit on June 1, 1999, and received by 222-S Laboratory on June 2,1999. Here are the steps you need to follow to get a great backwash and clean that sand filter: Shut down the system - nothing should ever be done, especially when pool equipment is involved, without you shutting the system off. I had houseguests and one of them helpfully went out to see why pool wasn't circulating, became very happy they could get it to "work" but when I went out to backwash the filter . Switch on the pump. Monitor the backwash water through the sight glass on the backwash line or from the top of the filter. Hi, The sand filter went in early this summer and was working fine (there have been SWG issues, but I could at least backwash filter no problem). And switch your multiport valve to "Backwash". Check the pressure on the pressure gauge, to verify the hose has no kinks. When the needle is close to or within the red zone, it's a good time to backwash. If you have any questions about how to backwash a sand filter please feel free to give us a call at 1-800-515-1747 or send us an email, sale@poolwarehouse.com. 3. Backwashing Your Pool. Sand filters can be operated with either upward flowing fluids or more commonly downward flowing fluids . If you have a backwash hose, make sure it is securely connected to the backwash valve. Set the sand filter valve handle to the BACKWASH pool position and ensure the handle locks in place. OK, so your pump is now shut off and you have placed the handle of your multiport valve firmly into the position marked 'backwash'. Check your pressure gauge to ensure that the pressure has dropped 8-10 PSI from where it was prior to the backwashing process. What does backwashing do for a pool? Turn the pump off at the breaker. Attach your backwash hose to the waste/drain port on your filter, and lead the hose to drain wherever you want. Turn the pump off. Leave the backwash line open for a few more minutes; even the water looks clean after a few minutes. Turn pump off. You'll typically notice the pressure coming out of the returns is very weak when the filter is ready . 3 Select the "Backwash" position on your multiport valve handle. By backwashing you clear up the dirt from the sand pores making it easier for the water to flow through once again. The Backwashing Process. You can buy backwash hoses quite cheaply on Amazon. Each filter works the same to remove fine dirt particles from the water, but how you backwash the filters and finish the process is slightly different. .sand filters / Continuous Backwash Sand Filters Continuours Backwash Upflow Sand Filters In municipal applications, the continuous backwash sand filter is ideal for wastewater treatment plants needing to meet stringent discharge criteria for Biochemical Oxygen Demand (BOD), Nitrogen (TN), Phosphorus (TP), and Suspended Solids (TSS). Connect the backwash hose to the filter's waste port. Normally, your sand filter should be backwashed each time there is heavy rainfall. Step 4: Once the valve is set to the backwash setting, you can restart the pump . You can do that by following these steps. You got it! You can also backwash your sand filter if the pool is cloudy and completely unclear. In general, a sand filter lasts longest between cleanings and is easiest to maintain. 3 minutes ago. Most filters operate between 5-15 PSI. As a general rule of thumb, you should backwash and rinse your filter about once a fortnight. Roll up the backwash hose, being sure to get all the water out. Follow this easy step-by-step process to backwash your sand filter: Shut off the pool pump. A plus to those who rely on water from a well. If this continues you have a problem. Step 5. Step 3: Take note of the pressure gauge reading when you first set up your filter or right after you backwash. Monitor the sight glass on the side of the multiport valve during this time. Hour or so later and it all still works but the pressure is way down and speed into the skimmer is much lower. If the water does not run clear by 3 minutes, shut down and repeat. Turn on the pool pump and let it run for 2-3 minutes, until the water runs clear through the sight glass. "Filter" - This setting is the most obvious, since it is the one that the filter operates in 99% of the time. Backwashing Your Pool's Sand Filter - Step by Step Step 1: Turn the pump off. Open the backwash gate. Well, as the name suggests, backwashing involves reversing the flow of water through your filter media, be it Zeoplus, sand, glass pearls or diatomaceous earth (DE). While cloudy water may also be attributed to chemical imbalances, backwashing your filter is a quick and less costly way to try to clear your water up. How Often Should I Backwash? Turn the pump on and let it run for about 30 seconds to reset the sand. Step 4: Rinse The Filter. Step 2: Shut the skimmer and main drain valve by placing the valve handle perpendicular to the pipe. Abstract. Look out for these top two signs it's time to backwash: INCREASE IN PSI - PSI (pounds per square inch) is the measure of . Backwash your filter when the pressure gauge on the filter reads 8-10 PSI (pounds per square inch) above the starting level or "clean" pressure. Short Backwash Time. This process involves turning a valve so that the water will flow through the filter backwards, flushing out the dirt - Hence the name "back-washing." By rinsing the filter, it resets the sand in its original location for optimal filtration, just as the backwash raises and flushes it. When and How to Backwash. Then, connect the backwash hose to the filter's backwash port. Each time you backwash you use between 250 to 1,000 gallons of water depending on your pool and equipment size. To backwash a sand filter with a multiport valve: Step 1: Shut off pump motor. When to Backwash a Sand Filter In general, you should backwash your filter when your filter pressure rises 10 PSI above normal running pressure or if you notice poor flow from your return jet. Industrial sand filters can have graded support media layers or be . With too much water flow: This could lift the sand bed and pass it to waste. Can I use play sand in my pool filter? The ideal size of each granule usually varies from 0.35mm to 1.2mm. Set a routine schedule to backwash the filter on the same day each month or whenever the filter's PSI exceeds 25. filter and the sand filter. It's time to backwash a sand filter when the pressure gauge on the filter reads 8-10 pounds higher than it did when the sand was new and clean. If you have a backwash hose roll it out and shut down the motor. They are particularly good at catching microscopic particles like algae and phosphates and need to be backwashed about once a week. Set the multiport to filter. It depends on the type of system you own. This removes the DE. Media (media is plural, medium is singular) are numerous and varied. Allow the, "backwash" cycle to operate in 2-3 minute cycles. 1 Turn the pool filter system off. Powerful Filtration Clean, Clear Pool Water Reliable Performance Easy Installation what does a filter do? Turn the pump back on and backwash the system for at least two minutes or until the water in the filter's sight window is clear. Any time the pressure gauge on your filter reads 8-10 psi (pounds per square inch) above normal, it's time to backwash. 4 Turn the pool filter system on and allow it to rush out of the backwash port and through the backwash hose for two minutes or so until the water in the sight glass runs clear. The Doughboy pool filter keeps the water clean and free of dirt particles. Set multiport valve to the, "backwash" position; rotate the valve handle in a clockwise motion always. Backwashing my filter on a 12,000 gal pool takes about 45 seconds and a lot of water. Inyo Pools. 4. The homogeneous sand filter has a 0.9-1 m deep bed of typically 0.85-1.7 mm sand (d 10 =0.9 mm) placed on a 50 mm layer of 4-8 mm or 75 mm of 6.7-13.2 mm gravel. 214,035 views Aug 26, 2013 How To Backwash a Pool Filter With No Valve Label HTG - http://bit.ly/2NSEvAY When to Backwash a Pool Filter Blog - http://bit.ly . Backwashing Your Sand Filter: When the filter becomes dirty pressure will build up, and you can see this on the pressure gauge. Backwashing after heavy rains, treating for algae, or when trying to clear cloudy water will keep your filter working efficiently. A good rule of thumb is to backwash once the pressure displayed on your pressure gauge is 8-10 psi over the starting level. Normally the water will run clear or a sight-glass will help you see when the water turns clear. How to Backwash sand filter with slide valve: 1. Turn your pool pump ON and let water backwash your sand filter. Sand filters are the oldest form of swimming pool filtration. Hit the filter button to turn the pump off. It is time to backwash the pool sand filter when the pressure reaches 10 psi above the normal pressure. That's your normal operating filter pressure. Move lever/handle to rinse. Backwash The Filter Turn the pump back on and run it for around 3 to 5 minutes, which will start backwashing the sand filter. Turn the pump back on. Once the water changes from cloudy to clear, shut off the pump once again. The 6 or 7 positions (varies depending on model) are the following: 1.) 2 Attach your pool hose to the backwash port on your sand filter. The backwash cycle is triggered after a set time interval, when the filter effluent turbidity is greater than a treatment guideline . Backwashing after heavy rains, treating for algae, or when trying to clear cloudy water will keep your filter working efficiently. A GPM drop of a third of the normal flow rate is a sign that your sand or DE filter requires a backwash. ; Secure the hose with a metal hose clamp and tighten it using a screwdriver. Sand Filter Maintenance There are three main types of pool filters: Sand filters, DE filters, and cartridge filters. When set in this position on the selector the water comes into the "inlet" directly from the pump via plumbing, or a high pressure hose on an above-ground . Just follow the below steps to get backwashing: 1. Steps to Backwash a Sand Filter Follow this easy step-by-step process to backwash your sand filter: Shut off the pool pump. Your sand filter should be backwashed once the pressure reaches above 20-25 psi. Backwashing consists of reversing the flow of water so that it enters from the bottom of the filter bed, lifts and rinses the bed, then exits through the top of the filter tank. Backwashing the Filter Download Article 1 Run the pump for two minutes. In water treatment plants, backwashing can be an automated process that is run by local programmable logic controllers (PLCs). 44.5K subscribers. There are two Doughboy filters for keeping pools clean. A good rule of thumb is to backwash once the pressure displayed on your pressure gauge is 8-10 psi over the starting level. Most of the time a good 2-3 minute back-washing will do the trick. For example, if your normal flow is measured at a rate of 30 GPM, a reading of 20 GPM means your filter is screaming, "Clean me!". Turn pump, "off". Turn the pump back on and run until the sight glass is clear. How often should you backwash sand filter? If you are backwashing to clean the filter system: Let it run as until you see the water in the little sight glass turn clear, or until the water out of the end of the backwash hose runs clear. Start off by switching off the filter system. Turn you pool pump OFF. Perform the rinse function for anywhere between 15-30 seconds to finish cleaning the sand. When water is running clear (typicaly takes between 1-3 minutes) turn your pool . Once your waste hose is properly positioned, it is time to turn the pump back on (remember to turn on the circuit breaker as well). Turn the filter system back on, and let it run for about two minutes. A good rule of thumb is backwashing your pool once a week or with your scheduled maintenance. Dislike. The filtration process can be decided by adjusting the size of the filter sand. When you are ready, hit the filter button to turn off the pump Turn the handle to rinse. Process of Backwashing Your Sand Filter Step 1: Shut off your pool pump and filtration system. To be able to clean the sand, the filter needs to be backwashed. Back wash for a few minutes and it good again. Turn your pump off, and turn the dial on top of your sand filter to "BACKWASH". Pressure reading higher than this is not good for the pump and can even get risky. #1. Why you need a pool filter Your pool's filter has an important job - to keep your pool clean. Decide the backwashing time based on the size of the tank. When the pressure gauge is reading 6 - 8 lbs above the starting pressure it is time to backwash the filter. However, if your pool has had a lot more use than normal, it may be necessary to backwash once a week. This will allow pool water to flow out of the backwash valve or port. Set the filter valve handle to the backwash pool position and ensure the handle locks in place. This video will show you how to use the different settings to backwash and clean your above ground pool sand filter. [5] 2 Watch the sight glass. Most pressure gauges on sand filters have a red and green zone. After the rainfall, you can now backwash the sand filter to discourage algae growth and other microbes. In The Swim Pool Product Offer: $10 off orders $75 or more! You should backwash the filter until the PSI drops to 10 to 15 on the gauge. Turn the multiport valve handle to the 'backwash' position. How and When to Backwash a Sand Filter When the pressure gauge on your sand filter is reading 8 - 10 lbs above the clean, starting pressure, it is time to backwash your sand filter. Turn Off the Filter Begin by powering off the filter's pump to stop the flow of water through the sand. By following the recommended time for backwashing you won't need to backwash as frequently, thus allowing the sand to clean more efficiently and saving you water. Backwashing is a process that is used in water and wastewater treatment to pump water backward through filter media, which includes anything placed in a filter that changes the quality of water flowing through it. Once that pressure reaches 6-8 psi higher than your clean filter pressure it is time for a backwash, but not until then. 3. Great pressure. Generally, you should backwash a sand filter once a week. Roll out your backwash hose, if applicable, and turn the filter control valve to BACKWASH. Step 2: Attach a swimming pool backwash hose into your swimming pool sand filter's backwash port. This dislodges dirt and debris . Turn your pump off, and turn the dial to "RINSE" it's always . Mover lever/handle to filter. Choose "Backwash" on the multiport valve, or simply open the backwash gate for a push-pull valve. How to Backwash a Sand Filter Photo: myperfectpool.com.au 1. 2. Backwashing is also recommended after heavy rains and after treating an algae bloom. If the sight glass is still not clear or the operating water pressure is still not normal, repeat the "backwash" and "rinse" process. 5. 5 The pressure gauge on top of your filter is a clear indication of when it's time to backwash the filter. The most common reasons are: 1) the diffusor on the top of the vertical pipe in the filter is faulty or wasn't put in; First, turn off the filter system. Vac out some crud, clean filter basket, backwash, drain then to filter. Backwashing reverses the flow of water to the filter, lifts and flushes the sand, and then sends the dirty water out via the backwash / waste line. Turn pump on and run for 30 seconds. At first, the water coming out of the backwash hose will be brownish with lots of tiny bits and particles. Here's how to backwash a sand filter: Turn off the pool pump. Here's how to backwash a sand filter: Push down on the valve handle. Turn the power to the pump back on for normal filter operation. Homogeneous sand of effective size up to 1.3 mm has also been used. Backwashing too frequently can inhibit the effectiveness of your filter thus causing cloudy, murky, and less than clear water, because you are removing that bed of fine sediment that was increasing the effectiveness of your . Much worse, you could damage the laterals or filter tank from the sandblasting effect as water is introduced at the bottom of the tank at a high velocity. Set The Valve to "Rinse" But if the system has only an inlet pressure gauge, you should backwash when the pressure increases by 8- to 10 psi from initial post-backwash readings. The sand filter should be clean for 3 to 5 minutes. Turn off the pump motor. The diatomaceous earth (D.E.) Set the multiport valve to rinse. This will be the hub of where the backwash really happens. Similar to sand filters, after backwashing set the valve to "rinse.". Turn the multiport valve to Backwash. Most sand filters have a pressure gauge near the multiport, or valve, used to adjust the filter settings. How long does filter backwashing take? Backwash Pool Switch off the filtration system and pump. 4. I did a deep clean on the sand filter this week, great idea and easy to do, thanks for that. Industrial sand filters are commonly used for removing suspended solids from the water using a single-size filtration media. 4. After 15 - 20 seconds catch some of the water in the white pitcher and see how it looks. If it's still cloudy, keep it running. Set the control valve to RINSE and turn the pump on for about 10 seconds. Position the filter valve handle to backwash and ensure the handle is locked in place; Turn on the pump and backwash for like 2 minutes or till you see clear water from the filter's sight glass; After backwashing, turn off the pump; Again, set the valve to rinse and ensure the valve handle is locked in place; Switch on the pump and rinse for . Press down fully on valve handle & rotate from the FILTER position to the BACKWASH position & lock it in place. Backwashing is a form of preventive maintenance so that the filter media can be reused. Turn pump, "on". Sand filter backwashing should be done in 3 minutes. Therefore, once the smooth operation of your filter has faltered, it is time for backwashing! If you have a push/pull valve, open the backwash gate. Turn Off the Pump. If it is higher than the required level (about 1500-2000 ppm), then you need to backwash the filter. Large size may require more time to remove the dirt from the bottom of the tank. When to Backwash a Pool It would be best to do this every few weeks whenever you see the filter is not working properly. In most high-rate sand filters, it's time to backwash when the pressure differential reaches 18 to 20 psi. To ensure this, it's important to regularly backwash the filter and clean it so it can work well. Attach the backwash hose to the waste port on the filter. Turn off the pump and rotate the multiport valve to backwash; Turn the pump back on and let the pump run on backwash for a few minutes; Turn the pump back off and change the filter to rinse. Turn your pump back on, and let the filter perform the backwash for 3-5 minutes. Turn the pump on and let it run for about 30 seconds to reset the sand. Set the pump to backwash - turn the handle of pool pump on backwash position, lock it in place and then turn the pool . The filter's control head will usually read "backwashing" or "rinsing" to let you know that a backwash cycle is taking place. Follow these simple steps to successfully backwash your sand filter: 1 - Run out the backwash hose If your pool drains into your garden/yard etc and you have a backwash hose attached to the drainpipe then roll it out and position the end where you want the water to run. Most water filter media only needs around 10 minutes to be replenished by backwashing. The psi can range from 15-30 before it requires backwashing. Turn the filter system off. Ensure the water turns clear on the filter view glass. Now it's time to give your sand filter a good cleaning. Again, it's better to work when the filter's off. Homeowner Repair. When the pressure is up around 20 PSI or higher, its time to backwash. This is a protective measure that keeps the valve from getting damaged. Turn off your pool pump, then move the filter valve to the 'backwash' position. After opening the air bleeder assembly you then turn the pool pump on. Pull the plunger T-handle upwards 2-3 inches so that it is unlocked. What is backwashing? Turn on the pump and backwash for 2 minutes or until the water in the sight glass (located on the filter) is running clear. Backwash the sand filter when the filter pressure gauge reads eight to ten psi above the average level. How to Backwash the Filter Turn pump, "off". Backwashing is an easy process. 2. Turn pump ON. Backwashing your sand filter is an easy process. Step 3: Position your multiport valve handle to the Backwash setting. After filling a sand filter it is normal for the filter to expel excess sand during backwashing for a few times . This may only buy you a few months. Set the filter to "backwash" and keep the handle locks in place. Sand filters require very little maintenance, but the sand must be replaced about once every 2-4 years. Set a stop-watch for a 3 minute backwash cycle don't guess. The filter bed itself is a granular substance that is usually referred to as the filter medium. There are two common flowmeter styles used on residential pools. . We will show instructions on how to backwash a sand filter. Change to rinse and then backwash a few times. The water in the sight glass on the side of the .
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