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Thread: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

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    Question Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    I got my Coleman 18 foot AGP all set-up and the water is full. Now I need to know how to set-up the separate "Sand Filter Pump (SFP)" and separate "Saltwater System (SS)." If you could help answer my questions below I would greatly appreciate it.

    1) What order to I put everything in from the lower hole in the pool wall (assuming the lower hole is the output hole): Output-SS-SFP-Input OR Output-SFP-SS-Input?

    2) After I get the connections right, do I run through the SFP set-up and leave the SS off or should I connect the SFP to the pool without the SS connected, run the set-up, and then connect the SS and run that set-up? (I wanted to get the SFP/SS combo unit but all the research I did said to get the systems separately.) OR do I run both?

    If you couldn't tell....I am a little confused. I don't want to break anything and want to make sure I do this right. Thanks!

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    Mod Squad jblizzle's Avatar
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    1) Not sure I follow, but generally the pipes go from the pool to the pump to the filter to the SWG back to the pool.
    2) What sand filter setup? You should be able to connect everything at the start. No power to the SWG until 24 hours after adding the salt.
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    Scuba_Steve's Avatar
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    You want the water to run through your filter first, get cleaned of major debris, then go to your SWG (SS).

    I dont fully understand your next question. I believe you are asking if you should run them at the same time?

    Yes, the SWG will not function without water running through it. The pump from your filter must be turned on.

    - - - Updated - - -

    Also the filter pump should be turned on at least 30 minutes before the SWG turns on, and turn off at least 30 minutes afterwards.
    6425g Intex Ultraframe 18'x48" AG
    Stock 1500gph cartridge filter / Intex SWG CG-28669 with E.C.O.
    Install date: 5/26/2015
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    Sorry, I see that is confusing.

    I am trying to see what order to connect the SFP and SS to the pool. So it goes pool output to SFP, then the SS connects to the SFP and then to the pool input?

    As far as the sand filter setup, I thought I had to let the sandfilter and pump run for 24 hours before connecting the SS. But off what you are saying, if I connect everything the way you said, I add the salt to the pool and leave the SS off for the first 24 hours but I can let the SFP run?

    Is that still confusing? I may need to break this into parts.

    - - - Updated - - -

    Quote Originally Posted by Scuba_Steve View Post
    You want the water to run through your filter first, get cleaned of major debris, then go to your SWG (SS).

    I dont fully understand your next question. I believe you are asking if you should run them at the same time?

    Yes, the SWG will not function without water running through it. The pump from your filter must be turned on.

    - - - Updated - - -

    Also the filter pump should be turned on at least 30 minutes before the SWG turns on, and turn off at least 30 minutes afterwards.

    That makes sense. Lol. Should have thought that through. And as far as the 30 minutes before and 30 minutes, I am assuming you are referring to the timer?

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    Mod Squad jblizzle's Avatar
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    Everything you just said is correct.
    Pool>Pump>Filter>SWG>Pool

    You can run the pump with the SWG connected, just leave it turned off 24 hours after adding salt.
    Jason, TFP Moderator
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    So in summary (to see if I got this right),

    The SFP comes first and connects to the SWG, which then connects to the pool.

    I set everything up and put the salt in the pool. The salt needs to be in the pool for 24 hours then I turn the SFP and SWG on....but the SFP goes on 30 minutes before and 30 minutes after the SWG?

    And last question...the SFP and SWG run while people are in the pool or afterword? (Sorry, I know these are silly questions.)

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    Mod Squad jblizzle's Avatar
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    Quote Originally Posted by Scuba_Steve View Post
    Also the filter pump should be turned on at least 30 minutes before the SWG turns on, and turn off at least 30 minutes afterwards.
    I have NEVER heard this before and disagree. Nearly all SWGs are powered by the same timer that turns on the pump. So the SWG starts when the pump turns on and stops when the pump turns off.

    I think I see what Steve is saying ... IF ... you were trying to have the SWG on a separate timer than the one that controls the pump. But that is generally not needed or recommended.
    Jason, TFP Moderator
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    Quote Originally Posted by jblizzle View Post
    Everything you just said is correct.
    Pool>Pump>Filter>SWG>Pool

    You can run the pump with the SWG connected, just leave it turned off 24 hours after adding salt.
    Got yah. SWG off until 24 hours after salt is added. Thanks.

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    Mod Squad jblizzle's Avatar
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    Re: Which Came First:

    Ugh ... you need the pump (SFP) running for 24 hours after the salt and before before you turn on the SWG.

    Some Intex pumps state that they should not be run while people are in the pool ... so check what your manual states.
    Jason, TFP Moderator
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    Re: Which Came First:

    Quote Originally Posted by jblizzle View Post
    Ugh ... you need the pump (SFP) running for 24 hours after the salt and before before you turn on the SWG.

    Some Intex pumps state that they should not be run while people are in the pool ... so check what your manual states.
    OK thanks. Sorry again. I know these are dumb questions.

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    Mod Squad jblizzle's Avatar
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    I was just running out of ways to say the same thing
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    Sorry, I am use to my Intex SWG... Jblizzle is correct. Unless you are using an Intex, then I am correct.

    I think the 30 minute thing with Intex is in case the timers come out of sync.
    6425g Intex Ultraframe 18'x48" AG
    Stock 1500gph cartridge filter / Intex SWG CG-28669 with E.C.O.
    Install date: 5/26/2015
    TF-100
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    Re: Which Came First: The "Sand Filter Pump" or the "Saltwater System"

    Quote Originally Posted by jblizzle View Post
    I was just running out of ways to say the same thing
    Lol. I think I turned my brain off when I left work.

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