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Thread: Pan cleaning sap

  1. #1
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    Default Pan cleaning sap

    Boiled yesterday, and after finishing went to clean steamaway and front pan with condensate, as I do after every boil. Everything was clean, like an acid soak. I realize this is because of very low pH sap. But would it be a result of sap setting in 60 degree weather (bacteria, sour), or bud? Sap set maybe 28 hours, as I've collected every day. Syrup had very strong flavor, with molasses aftertaste.

    Love to hear Dr Tim's thoughts as well.
    Tim Whitens
    Willow Creek Farm
    Fulton, NY

    3000 on vacuum, 3hp 3ph Busch pump, 2567 Gast
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  2. #2
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    interesting. I'm about to flood my pan with sour sap and let it sit for the next few months. I've had good luck with this process.

    Do you mean that you use permeate to clean up?
    Gary / Zena Crossroads / 42˚ 00' 24" N / Hobby in Early '70s, Addiction since 2014

    175+ taps on 3/16 (60 of which are on two Lunchbox Vac/Releasers)
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  3. #3
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    I use condensate from steamaway after every boil.
    Tim Whitens
    Willow Creek Farm
    Fulton, NY

    3000 on vacuum, 3hp 3ph Busch pump, 2567 Gast
    30X8 Leader oil-fired evap. w/ steamaway
    Airablo 1000 RO
    6 Alpacas

  4. #4
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    I use permeate mixed with white vinegar. Bring it up to boil and let soak and then rinse it out well. Video below:
    https://youtu.be/GrDxTZQcJok
    And site that describes process:
    https://www.sugartree.run/2019/03/en...-cleaning.html
    D. Roseum
    www.roseummaple.com
    ~100 taps on 3/16 custom temp controlled vacuum; shurflo vacuum #2; custom nat gas evap with auto-drawoff and tank level gas shut-off controller; homemade RO #1; homemade RO #2; SL SS filter press
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  5. #5
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    Quote Originally Posted by sapman View Post
    But would it be a result of sap setting in 60 degree weather (bacteria, sour), or bud? Sap set maybe 28 hours, as I've collected every day. Syrup had very strong flavor, with molasses aftertaste.
    Could be. May have been on the edge of going sour (producing a dark, strong taste) and then went sour in the pans afterward, hastened by the warm weather.
    Dr. Tim Perkins
    UVM Proctor Maple Research Ctr
    http://www.uvm.edu/~pmrc
    https://mapleresearch.org
    Timothy.Perkins@uvm.edu

  6. #6
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    Wow, that is a really interesting result. I use the distilled white vinegar with permeate water method. Fill the pan to the top, bring to a rolling boil, let it sit overnight and all I have to do is rinse it the next day. I like not having to use nasty chemicals.
    2023: Award Winning Maple Syrup and Honey!
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  7. #7
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    Tim W,
    I think your just keeping your rig way too clean!
    I just cleaned my rig at the end of the season. Using water and white vinegar, plus small fires for a couple days. Cleaned up good. I cant imagine doing the cleaning after each day of boiling. I could see the benefit. but that would be a lot of work too.
    Regards,
    Chris
    Casbohm Maple and Honey
    625 roadside taps + Neighbors bring some sap too!
    3x10 King, WRU, AOF and AUF
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    2015 Ford F250 PSD sap hauler
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  8. #8
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    Quote Originally Posted by sapman View Post
    I use condensate from steamaway after every boil.
    I do collect the condensate from my preheater, but never thought of doing that with in. It's hot water where I generally have none, and I use it to rinse filters etc., and wash hands.
    Gary / Zena Crossroads / 42˚ 00' 24" N / Hobby in Early '70s, Addiction since 2014

    175+ taps on 3/16 (60 of which are on two Lunchbox Vac/Releasers)
    12x34 timber framed sap house w/attached 10x34 shed roof for storage
    2 x 6 Smoky Lake hybrid pan on Corsair arch with AUF/steam hood/preheater/concentric exhaust
    7.0 KW Sun Power PV System, Smokey Lake Filter Press/Steam Bottler, Modified NGMP RO - 2 4x40 posts 200 gph

  9. #9
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    Quote Originally Posted by Sugarmaker View Post
    Tim W,
    I think your just keeping your rig way too clean!
    I just cleaned my rig at the end of the season. Using water and white vinegar, plus small fires for a couple days. Cleaned up good. I cant imagine doing the cleaning after each day of boiling. I could see the benefit. but that would be a lot of work too.
    Regards,
    Chris
    Hi Chris,
    I used to try to get away without cleaning every night, but it just builds up too fast. Think it was a bad year for it here, but mid teen concentrate leaves a lot of buildup. Seems to batch draw all the time with the niter, too. Oh, and it burns pretty easily if I leave it. I usually figure about two hours for cleanup after each boil.
    Tim Whitens
    Willow Creek Farm
    Fulton, NY

    3000 on vacuum, 3hp 3ph Busch pump, 2567 Gast
    30X8 Leader oil-fired evap. w/ steamaway
    Airablo 1000 RO
    6 Alpacas

  10. #10
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    Albion PA
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    Default

    Tim,
    I am still boiling raw sap so I may not get the same build up!
    Regards,
    Chris
    Casbohm Maple and Honey
    625 roadside taps + Neighbors bring some sap too!
    3x10 King, WRU, AOF and AUF
    12" SIRO Filter Press.
    2015 Ford F250 PSD sap hauler
    One Golden named Maggie, Norwegian Forest Cat named Lucy
    Too many Cub Cadets
    Ford Jubilee and several Allis WD's, and IH tractors
    1932 Ford AAB ton and a half, dump truck

    www.mapleandhoney.com

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