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  1. Masspools

    Alk test is blue, calcium test is clear, explain?

    Very good Jason, I will follow up with the results. Thank you!
  2. Masspools

    Alk test is blue, calcium test is clear, explain?

    Hi All I am trying to balance pool water. Tested the pool with test kit. PH 7.3 Alk ? Fluid is blue added drops no change Cal ? Clear, added drops still clear Bromine 10 Gallons: 32,000 Not sure if the pool has a high Alk, what does it mean when the reagent turn blue. What does it mean when...
  3. Masspools

    Vinyl liner wrinkle fix

    Hi All I have a dilemma about installing a liner. This pool has corners to the stairs which we had to wrap the liner around. The customer is upset because of this wrinkle in the side is there anyway to remove this wrinkle or shrink it or does this seem more or a manufacturing issue. Any advice...
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  5. Masspools

    Tiled fiber glass pool leaking at returns

    Solution: Originally, we used silicone on the gasket to provide a better seal. The silicone reacted with the rubber gasket and melted it causing the leaking around the fitting. We put the gasket directly onto the tile, and placed a thin layer of silicone around the outside of the fitting face...
  6. Masspools

    Tiled fiber glass pool leaking at returns

    Hi All I installed new return jets in a fiberglass pool that has been tiled. We placed the return jets on top of the tile with a gasket and silicon around the borders of the jet face plate. The jet face plate has threads that screw into the fitting in the back, sandwiching the gasket and the...
  7. Masspools

    Salt Chlorination for steel/aluminum body pool

    I have thought of adding extra sacrificial elements to the pipework but my fear is that the damage due to corrosion will be beyond repairs. I may pass on this project.
  8. Masspools

    Salt Chlorination for steel/aluminum body pool

    Hi All I'm working with a commercial client that would like to convert their present Bromine system to a Salt Chlorinated system. The pool is indoor around 25,000 gallons and a Steel/Aluminum body with a tiled floor. I'd like to get the general consensus if it okay to add this system to a metal...
  9. Masspools

    Raypak Heater temperature has 5 degree difference then water

    Hi guys just to catch up on the problem with this heater and the result of the real problem. The internal by-pass in the heater manifold was stuck open. To give a better explanation, the internal by-pass is located on the outlet side of the heater. What happen when it is stuck open the water...
  10. Masspools

    Raypak Heater temperature has 5 degree difference then water

    I agree with you, this heater was straight out of the crate too.
  11. Masspools

    Safe to open pool?

    If there is no ice in the pump or filter system, the water is clear of icebergs and the skimmer is clear you may start it up. If you have a heater I would set it to a low temperature so that it will gradually increase the water temp. This will be a safe way of making sure there is no freeze up...
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    unitherm governor top.jpg

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    unitherm governor bottom.jpg

  14. Masspools

    Raypak Heater temperature has 5 degree difference then water

    I sized the heater based on the one being replaced, it is in an indoor environment with a dectron system, but a do understand your concern about the size, if I look back I should have gone with my gut feeling and got one with more BTU's. An Update, I replaced the unitherm governor today, the...
  15. Masspools

    Raypak Heater temperature has 5 degree difference then water

    Hey Guys Thanks for replying back, I checked the temperature of the heater today and it was reading on the display 104 set temp and 104 actual temp. I have a digital thermometer and tested the pool at 100. The pool is 15,000 by the way. I talked with Raypak and they said it could possible be...
  16. Masspools

    Raypak Heater temperature has 5 degree difference then water

    Hi All I have installed a Raypak Digital Heater 206k BTU Natural Gas in a commercial facility. The heater display shows the set point at 104 degrees and the heater only heats the water to 99-100 degrees. There are no errors. I left it for a day and the the heater changed course and had a set...
  17. Masspools

    How to prevent Bubbles in Cat 2000 flow cell

    Hi All I am working on a commercial pool that uses a CAT 2000 controller along with a flow cell, flow sensor and PH and ORP probes. The flow cell is building up a lot of bubbles, as I can see them coming in, making the sensors useless. The hose that feeds the flow cell is attached directly after...
  18. Masspools

    No Suction on pump

    Hi all Pentair whisperflo pump 1.5hp 3ph. New pump installed in commercial facility, trying to prime it and it won't suck in the water. I have no back flow restrictions since the filter valve is on waste. All valves open on the suction side, the pump has suction, I checked the impeller. When...
  19. Masspools

    Geese cause algae now getting worst

    I should t have said 100 it's between 30 - 50. I'm more concerned about the algae/stain on the bottom. He chemistry is fine. I'm looking for ideas of what people experiences have been running into yellow stains and yellow water.
  20. Masspools

    Geese cause algae now getting worst

    I have perfect test results across the board. PH 7.4 Alk 110 Cyn 100 Chlorine, a little because of the shock. What your saying is true the chlorine was low at one time. But with some brushing and shocking, the yellow is still there. The yellow looks more like mustard algae or a stain. But I...
  21. Masspools

    Geese cause algae now getting worst

    Hi All I have a 29,000 gallon commercial pool. It has a yellow stain in the middle from algae. It was originally green, added algaecide and now it's yellow. I added Jack's yellow stuff then shock the pool. The water turned yellow and spread to the whole pool. The algae was from geese droppings...
  22. Masspools

    Pool tests of PH changed color

    Hi All I have tested the pool water at commercial pool using our standard test kit. The reading from PH registered as 7.4, then the color of the tested water gradually changed to purple. Why would it do this? Thanks James Salt pool 34,333 gallons ORP 840 Cl 5 83 degrees Clear Update: people...
  23. Masspools

    Filter sizing

    Hi All I have a commercial pool with a Cartridge filter looking to convert over to a sand filter. I spec'd out a Pentair Tr-140c to replace it but I'm thinking maybe it is over kill for this pump. Should I go with Pentair Tr-100, Any thoughts? 38,768 gallons, Pentair Whisperflo 2hp Sf 1.30...
  24. Masspools

    How do Chemicals come into Solution?

    Thanks for the reply. The problem I have found is that the sequestration clouds the pool. I have had the pool down for a week clearing it up. The stain remained. I have to work from the back now. I am at a conference and protean mentioned there stain treat can be effective without lowering the...
  25. Masspools

    How do Chemicals come into Solution?

    Hi All When Adding Ascorbic Acid to a copper stain. The metal goes into solution. What exactly is going "into solution." Does it combine with the molecule? And if it is into solution, what will take it out of solution and long can it stay. My goal is to suspend the particles into solution long...
  26. Masspools

    Cloudy pool after metal treatment

    Should I increase the liquid chlorine feed to bring chlorine up or leave it alone until it clears up
  27. Masspools

    Cloudy pool after metal treatment

    Hi All I did a copper treatment on an 63,000 gallon indoor pool by neutralizing the chlorine and adding Ascorbic acid, then added metal free to get it out of the pool. The pool was fine for a day and a half, I didn't raised the chlorine out of fear to activate the metals in the water again, the...
  28. Masspools

    Cloudy because of bromine and chlorine?

    Hi All I have a 25,000 gal pool (Liquid Chlorine) and 900 gal spa (bromine in line erosion feeder.) Is it possible for a pool to be cloudy if multiple people through the day move from the spa to the pool mixing the bromine and chlorine from their body? Thanks Jimmy
  29. Masspools

    Added Ascorbic Acid can I add Salt now

    I'm slowly building a better knowledge base with you people, Thank you Jason
  30. Masspools

    Added Ascorbic Acid can I add Salt now

    I guess the simple form of question, will the salt add chlorine or raise the chlorine level, without the generator running?