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2012-06-22 11:45:04
2012-06-22 11:45:04

I think when it happens when the pool starts to turn green

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A pool with a sand filter or for that mater any filter is set up to push water through the fitter to be filtered. when the filter is clean the gauge in front of the filter Will have a low pressure reading. As the filter gets loaded with more of the dust and dirt that comes from the pools water it becomes harder for the water to pass through the filter and the pressure on the gauge goes up when the pressure get high on the gauge it is time to backwash the sand filter or to clean the cartridge filter. When the pressure on the gauge is high the suction from the pool is low. When the suction from the pool is low even when the pressure on the gauge is low there may be a problem with the pump, or a blockage between the pump and the pool, To increase the amount of pressure on a clean filter the only thing that can be done is to enlarge the pump.


A clogged filter? The pressure AT THE GAUGE will drop after the pool is backwashed and also during vacumning. As the filter becomes clogged the pressure AT THE GAUGE will increase. The opposite effect occurs at the inlet eyeball.


I suppose. Was that the pressure when the filter was new of very clean? No 2 filters will be exactly the same.


This is what your filter gauge will read when it is first start with a new and clean filter cartridge / D.E. or sand.


Usually the pressure gauge on your pool equipment indicates how much pressure there is before the filter. as the pressure goes up it indicates that the filter is getting blocked and needs a backwash or cleaning. while the pressure is low the filter does not need cleaning.


You may need a new pressure gauge. They are inexpensive and can be found at any place that sells pool products. OR That may be all that you are going to get out of the system you have.


Your gauge could very well be bad, many pools that we took care of the gauge on the filter was bad, after backwashing the filter just check any of you lines going back to the pool and your should notice the pressure is a lot higher. A lot of people just check the flow by placing there hand at an outlet to check pressure than by walking over too the filter and reading the pressure, instead of buying a new pressure gauge.


The pressure gauge that is set up in front of the pool filter is there to show you when the filter needs cleaning or back washing. when the pressure gets high it indicates that there is too much dirt there for the water to pass efficiently, Cleaning it at this point will reduce the pressure and make the water flow better through the filter


Back wash valve when the pressure before the filter becomes to high usually indicated in red on the gauge the filter needs to be back washed.


As the filter gets clogged it restricts the flow of water and the pressure in the return line drops. The pressure gauge on the filter itself indicates the entry pressure and that will go higher as the filter becomes clogged. Don't ever allow the pressure to reach 40 PSI. Back-washing the filter should restore the pressures. Pool Masters


There can be several causes but as a starting point check the pressure gauge. These are inexpensive and they do fail after a while. Just replace it with a new one and see if the pressure readings return to normal. IF they do it was the gauge. If they don't then check for channeling in a sand filter, a ripped or damaged or improperly seated cartridge in a cartridge filter, and worn or torn grids or damaged fingers in a DE filter. IF it was not the gauge then you now have a backup gauge for when it does fail (and it will!)


The pressure gage on you rswimming pool FILTER should be around 8 to 12#'s. There is no pressure gage on or in a swimming pool. The pressure gage would be on the top of your filter .. . that's the large tank with up to 2" pipes plumbed into it, located next to the heater and the pump - the small pot with a motor attached to it.


What is the normal reading on your pressure gauge? It is a possibility that the gauge itself is broken. Those pressure gauges do not last very long and usually break within the first year. I have found them for as little as $13.00. You may try that first since backwashing was the correct thing to do when the pressure went up.


Maybe. One other alternative is that the sand in the filter has become "channeled", that is, the water has worked open "holes" in the sand and is streaming right through (without really going through the sand). Try a good backflushing, that usually fixes the channeling, if that is the problem. If still zero pressure, then try replacing the gauge. Hope this helps... I think your gauge is defective. Filter channeling will provide poor water filtration. Backwashing should be part of regular pool maintenance. Check pressure after backwashing. When the pressure rises 5 or 10 pounds it is time to backwash again. Keep in mind that as the pressure increases the filter becomes more effective at removing particles but also allows less water to be filtered. Never allow the pressure to exceed the manufacturers maximum pressure rating for the filter. Get a new gauge. They cost a lot less to replace than a burst filter.


1) a restriction in one of your hoses 2) the filter is clogged 3) the guage is not accurate


There is a gauge on the filter that will indicate this. when as the pressure gets higher it indicates that there is a build up of dirt and the filter needs cleaning or backwashing. another indicator is if you note a marked reduction in suction at the static skimmer of the pool.


Let me say first backwashing is a process for simply ridding the filter of dirt, once you backwash the pressure and cleanness of the filter will begin to collect and store more dirt from the pool, Look at the gauge at the filter remember the pressure or write it down as the pressure goes up the flow of water going back to the pool will go down to the point that very little water will go back into the pool. When the pressure is low the water flow from the filter will be high meaning that the filter is not clogged or dirty.


Depending on the type of filter it needs to be cleaned or backwashed. Cartridge filter: Hose off. If pressure does not go down buy new cartridges Sand filter: Backwash, if pressure does not go down replace sand DE filter: Backwash, if pressure does not go down remove element from tank and hose off and or acid wash. Also... always make sure you gauge is working



Around 10 PSI if you have a 2 horsepower pump. It will vary, depending on the restrictions in the exit line. Pool Masters


All swimming pools with a pump and filter should have a back wash system. You must back wash your swimming pool filter when indicated by the pressure gauge on your filter. ANSWER 2:: Cartridge filters have no means to back wash. These filters must be broken down and cleaned manually. K


Sand filters usually have a pressure gauge in front of them indicating the back pressure before the filter.When the filter needs to be cleaned this pressure gets high. usually it has a red section on the gauge. When it hits the red it is time to think about back washing. If the gauge does not work as so often happens with these things. you can usually judge it from the lack of suction coming from the filter. After backwash you will note the pressure will be down and the suction will be up.


What is a normal operating pressure for a jacuzzi sand filter for an above ground pool?"


when the pressure is high on filter mode it usually means that a backwash is required.


You measured this? There should be a gauge on your sand filter that shows how much pressure is present. This is measuring how much pessure is needed to force your pool water through a layer of debris and a big pile of sand. For a clean filter, about 15 pounds, or PSI, is normal. This means at least 15 pounds of pressure is halted at the filter. If you want to see the readings without sand, put your filter on recirculate and measure again. You should see a gain in pressure of whatever the filter gauge read when "filter" was selected.



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