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It is currently February 11th, 2012, 1:11 pm
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fscott
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Post subject: SWG compatible with DE filter?  Posted: March 14th, 2010, 11:08 pm |
Joined: February 19th, 2010, 1:53 am
Posts: 25
Location: San Diego, CA
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Stupid question:
Is a SWG system compatible with a DE filter?
Thanks
Fiona
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11,000 gallon chlorine pool:: 48 sq ft DE filter :: IG plaster :: 1 hp Whispaflo pump :: Gas heater and Solar Panel heating
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simicrintz
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Post subject: Re: SWG compatible with DE filter? Posted: March 15th, 2010, 12:05 am |
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Bama Rambler
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Post subject: Re: SWG compatible with DE filter? Posted: March 15th, 2010, 8:18 am |
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Joined: June 22nd, 2009, 7:06 pm
Posts: 9152
Location: South Alabama
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I would triple yup but that's too much of a good thing!  Yes a DE filter works great with a SWG. In fact all the standard filters, whether they're DE, Sand or cartridge are designed to work with whatever method of sanitation you choose. As far as I know (I know I was supposed to type AFAIK) there are no exclusions for using a certain type of filter with a certain type of chlorination. I assume since you list a DE filter already that you're looking at getting a SWCG. If that's the case it'd be worth your time to read the SWG section in Pool School if you haven't already.
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Dave J.
TFP Moderator
24' x 52" Round AGP. 1.5hp Dynamo pump. 24" Pentair Sand Dollar Filter. 45MHP2(3GPD) Peristaltic Pump
Pool School Pool Calculator TF-Test Kit
You have passed the OCLT when: 1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.
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mac4lyfe
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Post subject: Re: SWG compatible with DE filter? Posted: April 1st, 2010, 10:36 pm |
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Joined: June 8th, 2007, 5:47 pm
Posts: 61
Location: Houston, Texas
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While the SWG is compatible with the DE grids it may not be with your filter case if it's stainless steel. I had a Nautilus 48 SS filter case and it started developing pin hole leaks as the salt degraded the casing. I had to upgrade to a new plastic/fiberglass filter case.
Most installation places here in Houston wouldn't even install a SWG with a SS filter case as well. I had to install it myself and I called Nautilus and they thought I should be ok but it corroded. Just a heads up.
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30,000 gallon IG Gunite, 1.5 HP Hayward pump, Pentair Nautilus NS-48 DE filter, 2 skimmers, round 400 gallon spa overflow into pool. Recently added Hayward Swimpure Plus SWG.
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JasonLion
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Post subject: Re: SWG compatible with DE filter? Posted: April 2nd, 2010, 8:11 am |
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Joined: May 7th, 2007, 3:03 pm
Posts: 22094
Location: Silver Spring, MD
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Salt can sometimes cause problems for stainless steel filters, especially if they are rather old. Problems are rare, but they were frequent enough that all of manufacturers switched to plastic housings.
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19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
TFP Admin. Creator of The Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School
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