mas985
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mas985

TFP Expert LifeTime Supporter
Well-known member From Pleasanton, CA
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    • mas985
      mas985 replied to the thread Suction Line for a second (feature) pump.
      The pump will most likely be unable to lift the concrete through the vertical plumbing unless it is very small. You might be better off...
    • mas985
      mas985 replied to the thread Suction Line for a second (feature) pump.
      How much concrete is still obscuring the pipe diameter or is it in the sump area?
    • mas985
      mas985 replied to the thread Suction Line for a second (feature) pump.
      If you can put it in tandem with the 3", even though partially clogged, it might be ok although not ideal. Ideally, you really want to...
    • mas985
      mas985 replied to the thread Suction Line for a second (feature) pump.
      Yes, using too much force could crack the PVC. I would try soaking it again now that some has been removed to see if it helps. How...
    • mas985
      mas985 replied to the thread Suction Line for a second (feature) pump.
      Have you tried soaking the area is some muriatic acid? It won't dissolve much but it might release the concrete from the PVC wall. How...
    • mas985
      mas985 replied to the thread Starting up a hot tub.
      You should still not go below a PH of 7 no matter what method you use to add the acid. Also, this is really no different than slowly...
    • mas985
      mas985 replied to the thread Filter pressure reading.
      Was this during the act of backwashing? What is the filter pressure in normal filter mode? Does the gauge go to zero when the pump is off?
    • mas985
      mas985 replied to the thread Run Time and Flow.
      The flow vs RPM line should be very close to linear: https://www.engineeringtoolbox.com/affinity-laws-d_408.html How did you measure...
    • mas985
      mas985 replied to the thread Suction Line for a second (feature) pump.
      It looks like most of the concrete is in the sump and not the pipes. You have to chisel it out.
    • mas985
      mas985 replied to the thread Issues draining pool with pool drain hose adaptor.
      That is a collapsible hose so it is likely pinching off the flow. Those types of hose have a minimum PSI before they expand and the...
    • mas985
      mas985 replied to the thread Prologic PS-8 System.
      Is only the time showing and not any other item? Normally, even when off air temp and other items show on the display. Are you seeing...
    • mas985
      mas985 replied to the thread Suction Line for a second (feature) pump.
      The acid may help with releasing the concrete from the PVC but it still may need to chipped out. Acid does not dissolve concrete very...
    • mas985
      mas985 replied to the thread Suction Line for a second (feature) pump.
      The pebble tech should not go that deep into the MD line so I would start at the opening into the bottom of the pool and remove what you...
    • mas985
      mas985 replied to the thread Hayward The Pool Cleaner Questions.
      Are you sure you are counting the revolution correctly? 12 RPM should climb the walls. No unless the cleaner tube is not sealing...
    • mas985
      mas985 replied to the thread Air Release leaking and shooting water.
      That fitting appears to be a venturi tube for chemical injection rather than air injection. What is that used for? If that is a venturi...
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