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Thread: Help me understand.

  1. Back To Top    #1

    Join Date
    Jun 2012
    Lafayette, LA

    Help me understand.

    Split by moderator from a completely unrelated topic. Please always start a new thread for your own questions to avoid confusion. Thanks, jblizzle.

    I'm working on getting the CYA level down but in the meantime, more questions.

    After reading a ton of articles on TFP, I think I know the answers but just for clarification:

    Using the BBB method, am I to understand that I will no longer have a need for the chlorine tablets (3" pucks) or algaecide? I've read that if you keep the FC level above xx (depending on CYA level), then algae can't grow (or thrive). Is it therefore useless to put algaecide in the pool weekly like the pool store claims you should? And what about the automatic chlorinator (the cylinder that holds the 3" pucks) I keep that or cut it out of the plumbing?

    30,000 gallons
    Sand Filter
    IG Pool
    Plaster (gunnite)
    1 HP
    75 GPM flow rate
    Pool built in 1991

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: Help me understand.

    You seem to almost "get it"

    There is no need for weekly algaecides or any magic potions. Just maintain adequate FC and your pool will stay clean and clear. You can use the 3" pucks, if your CYA is not already too high (sounds like yours was up there). Just save them and over time you will get the CYA down and then you could use a few for vacations while you are away.

    No need to remove the chlorinator, just leave it empty until you need it.
    Jason, TFP Moderator
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  3. Back To Top    #3
    Smykowski's Avatar
    Join Date
    Sep 2011
    Gurnee, IL (North Suburban Chi-town)

    Re: Help me understand.

    I found that my inline chlorinator was getting stagnant and gross wih no use at all, so I cut mine out. If you understand the chemistry and use it for vacations, yes, it's fine to leave.

    On the TFPC method, it's very liberating to not have to buy algaecide or any dry form of chlorine. Other than a few doses of CYA, I haven't put anything in my pool but liquid chlorine for the past two years, and that includes winter opening/closing.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

  4. Back To Top    #4
    Casey's Avatar
    Join Date
    Apr 2007
    SW PA

    Re: Help me understand.

    For a little more clarification, read: ABC's of Pool Water Chemistry.

    As already mentioned, you need not to be adding Algaecides to the water as long as you keep the FC/CYA ratio in check. It's really that simple.
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

  5. Back To Top    #5

    Join Date
    Jul 2014
    Peoria, IL

    Re: Help me understand.

    I am sure all the inline units are different. We have never used one. I would not cut it out for reason already mentioned. If your cya can tolerate picks while on vacation it will help you sleep easier.
    30x20 vinyl IG, Hayward SD60 with Pentair Dynamo 340219 2HP pump, Compupool CPSC24 SWG, Hayward H200FDN heater. APC automatic pool cover.
    Central Illinois

  6. Back To Top    #6
    Mod Squad tim5055's Avatar
    Join Date
    May 2014
    Franklin, NC

    Re: Help me understand.

    Quote Originally Posted by PhilTrosclair View Post
    Is it therefore useless to put algaecide in the pool weekly like the pool store claims you should?
    Phil, there are a lot of pool store owners who would object to the thought that you should stop buying algaecide and putting it in your pool on a regular basis. They have car and boat payments, so those algaecide sales have a defined purpose.

    As others have said, you have a good grasp on the theories involved in TFPC. Welcome!
    TFP Moderator

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