Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 8 of 8

Thread: proper backwashing...

  1. Back To Top    #1

    Join Date
    May 2010
    Location
    Southern Maine
    Posts
    4

    proper backwashing...

    Hi People,
    Can someone fill me in on the "backwash" thing? How many minutes should I keep my filter on that setting a day if I am dealing with cleaning up a grubby and greenish pool? It's getting better with running the pump/filter and some chlorine, but my friend at work tells me I need to do the backwash thing a couple times a day for a couple minutes. I might need more specific directions! Also, does swimtrine really help as much as the pool store claims it does? It's awfully expensive...
    Thanks for the help! This is a great site that I have already learned a lot from since joining earlier in the week.
    Julia
    7,500 gallon above ground pool
    Hayward sand filter and Hayward pump
    Southern Maine

  2. Back To Top    #2

    Join Date
    May 2010
    Location
    Southern Maine
    Posts
    4

    Re: proper backwashing...

    I am replying to my own post because I realized I left out important information that is supposed to go in my signature- I will figure out how to do that soon! Anyway, I live in Southern Maine, I have an above ground pool, a Hayward pump and filter. It's 1800 gallons. Sorry I am just learning the ropes! Julia
    7,500 gallon above ground pool
    Hayward sand filter and Hayward pump
    Southern Maine

  3. Back To Top    #3
    Melt In The Sun's Avatar
    Join Date
    Oct 2009
    Location
    Tucson, AZ
    Posts
    3,897

    Re: proper backwashing...

    Welcome to TFP!

    Swimtrine = pure liquid evil!

    It's copper based, so you don't want it in your pool. Plus it's freaking expensive (as you've already discovered)!!! How are you testing your water, pool store? We always recommend getting a good test kit and testing your own water. There is no pool problem that requires ridiculously expensive pool store chemicals to solve.

    If you post some current test results (FC, CC, pH, TA, CH, CYA), we will help you get it clear!

    Just saw you posted back...is 1800 gallons correct or should it be 18000?
    11,200 gal, Pebble-Tec; Tristar 2-speed 1hp - Swimclear 325 ft2 cart - SWG - A & A in-floor cleaner - Heat pump. For the poolside cooking, a Yoder Wichita and a Big Steel Keg!
    TF Test Kits -- PoolMath -- Pool School
    Make each day your masterpiece. - John Wooden

  4. Back To Top    #4

    Join Date
    Jan 2009
    Location
    Cupertino, CA
    Posts
    1,966

    Re: proper backwashing...

    Cleaning the filter happens when it needs it, rather than on a regular schedule. Any filter should have a pressure gauge, and if you have a sand or DE filter, you backwash when the pressure goes up maybe 8-10 psi over where you started when it was clean. If you have a cartridge filter, you don't backwash it, you open it up and clean off the cartridges by hand. Well, by hose.

    If you tell us exactly what kind of filter you have, we can be more specific.
    --paulr
    BBB "Intermediate Swimmer"
    IG plaster pool 18.5K gal, Hayward Pro-Grid DE filter, 3/4 HP Hydramax II; Polaris 380, 3/4 HP booster
    AG spa 325 gal, probably Sundance of some kind
    Water testing instructions on one page

  5. Back To Top    #5
    frustratedpoolmom's Avatar
    Join Date
    May 2007
    Location
    SWSuburban Chicago, IL
    Posts
    11,963

    Re: proper backwashing...

    One word - chlorine. I've never heard of Swimtrine - I'm 100% positive you don't need it.

    Go to User Control Panel, then Profile, then Edit Signature.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

  6. Back To Top    #6

    Join Date
    Mar 2007
    Location
    Coastalish 'down easter'
    Posts
    4,160

    Re: proper backwashing...

    Welcome to TFP, Julia!!

    I'm gonna be moving to southern Me. before the new year and want to be on good terms with my new neighbors

    Paul and the others gave you the straight dope

    If you have any troubles next season, maybe I'll be able to hop on over and lend a hand in person
    Luv& Luk
    -Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

  7. Back To Top    #7

    Join Date
    Apr 2009
    Location
    Burlington, ON, Canada
    Posts
    325

    Re: proper backwashing...

    Swimtrine kinda rhymes with latrine, which is probably where it belongs.

    I've had very good success with what's recommended here - avoid the fancy named chemicals and get chlorine in there.
    16x28 Roman, 55000 litres, salt water, Zodiac Duoclear 130 (mineral cartridge removed!!!), inground, vinyl liner
    Hayward Tri-star 1HP (1.85) pump, Hayward sand filter
    Nine Fafco Sunsaver 4x10 solar panels, Jandy LX 250 natural gas heater
    Jandy Aqualink PDA with Sub Panel Power Centre

  8. Back To Top    #8

    Join Date
    May 2010
    Location
    Southern Maine
    Posts
    4

    Re: proper backwashing...

    Thanks Everyone!!!!
    Yes, the chlorine is helping a lot. We have moved to a light sage green. I guess the problem is also related to iron in our water. We actually have a water cooler installed in our house because our well has so much iron they don't recommend we drink much of it- especially the kids. This is fairly typical in our area of Maine. So, here are the levels we got at the pool store-
    Alkalinity- 40
    ph 7.6
    calcium 60
    iron 1.2
    chlorine 0
    I think that is it.
    Last time I thought I had 1800 gallons, but the pool people told me I have 7500. I'm a little embarassed, but I thought that was what I remembered...
    They recommended quite a large amount of chlorine as well as "staintrine" for the iron. They said we can use shock stuff in a couple days, but not until the iron level gets better or it will make the pool brown.
    The good news is that the water is pretty warm after all the hot days this week!
    I love this site- my son says it's my new facebook... I read all kinds of good stuff! julia
    7,500 gallon above ground pool
    Hayward sand filter and Hayward pump
    Southern Maine

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •