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Thread: Permeate tank

  1. #1
    Join Date
    Nov 2008
    Location
    Adirondacks
    Posts
    2,786

    Default Permeate tank

    Must it be stainless steel and what is the rule of thumb for its capacity compared to your ro?
    FIRST GENERATION SUGARMAKER
    First boil 2/22/2012! Went Pefect!
    3,500' of laterals
    1,000' of mainline
    2012 - 105 taps on gravity, 12 sap sacks.
    2013 - 175 taps on gravity, 25 on sacks = 200 taps for 2013! Second year.
    2014 - 250 taps on gravity, 25 on sacks
    Tapped on February 16, 2014
    2015 - adding vac sap puller no more gravity for me!
    275 gallon holding tank for 2014
    20'x30' Sugarhouse

  2. #2
    Join Date
    Aug 2006
    Location
    Andover NH
    Posts
    2,074

    Default

    stainless not required. I went for 3 years with a 1100g vertical poly tank for a 600RO before now using a old 800g milk tank.

    love the milk tank because it drains fully
    Eric Johnson
    Tucker Mountain Maple Co-op
    1400 taps in 2013
    2.5 x 8 CDL pellet arch and Smokey Lake pans
    Lapierre 600 RO
    Member of Andover/Salisbury Maplehaulics anonymous
    www.tuckermtn.com
    pALS

  3. #3
    Join Date
    Jan 2011
    Location
    Kirschnerville, NY
    Posts
    463

    Default

    Quote Originally Posted by adk1 View Post
    Must it be stainless steel and what is the rule of thumb for its capacity compared to your ro?
    Minimum of 1 gallon of permeate storage per 1 gallon of your ro rating.
    Eg.... If you have a 600 ro then you want a minimum of 600 gallons of permeate storage.
    Jake Moser
    Moser's Maple

    2 beautiful little girls
    1 wife that's become her mother

    www.facebook.com/mosersmaple

  4. #4
    Join Date
    Nov 2010
    Location
    Barnet, VT
    Posts
    2,580

    Default

    Quote Originally Posted by Moser's Maple View Post
    Minimum of 1 gallon of permeate storage per 1 gallon of your ro rating.
    Eg.... If you have a 600 ro then you want a minimum of 600 gallons of permeate storage.
    That is the rule of thumb. I believe more is better. For extra washes/rinses or short run days you still have enough to wash/rinse.
    William
    950 taps
    3 X 12 Thor pans on a Brian Arch
    CDL 600 expandable

  5. #5
    Join Date
    Mar 2006
    Location
    Lanark, ON
    Posts
    2,392

    Default

    We have 2x800 gallon tanks for our 2 membrane RO. Allows us to do a short rinse or two through the day and the rinse after high temp shutoff is a long one.

    As long as your tank completely drains it doesn't have to be stainless.
    4,600 Taps on vacuum
    9,400 gallons storage
    3 tower CDL RO
    3.5'x14' Lapierre Force 5
    Twitter & Instagram: @ennismaple
    www.ennismaple.com

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