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Thread: Frozen solid pans.

  1. #1
    Join Date
    Apr 2019
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    Northeast section of Northwest kingdom Vermont
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    Default Frozen solid pans.

    So I left my first boil of sweet in the pans. And now its a solid block and below zero. I'm debating if I should warm to liquid, drain and wait for the next warm weather. Or since the damage is done and just wait...

  2. #2
    Join Date
    Dec 2002
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    Loudon NH
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    As long as there's no damage to the pans that would need to be fixed before you can boil again just leave it there. The sweet won't spoil and you won't have to sweeten the pans again.
    Russ

    "Red Roof Maples" Where the term "boiling soda" was first introduced to the maple producing world!

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  3. #3
    Join Date
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    How long did you boil? I've not experienced anything more than slush forming on the top if I boiled straight sap for 5 hrs, or 8% concentrate for 1.5 hrs.
    Dave Klish about 400 taps, down from much more. Retired from collecting and boiling in 2021. Mostly because of a bad hip.
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  4. #4
    Join Date
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    MA
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    Seems unlikely that there would be damage? The ice can expand upward.
    60ish taps on buckets
    D&G Sportsman 18x63
    Turbo RB15 RO Bucket
    Stihl 044 and 026

  5. #5
    Join Date
    Apr 2019
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    Northeast section of Northwest kingdom Vermont
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    KINDLE_CAMERA_1614592567000.jpg full disclosure this would be the Achilles heel of the system... I'm going to heat and drain as I worry some warming and freezing could damage this pipe.

  6. #6
    Join Date
    Jan 2016
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    MA
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    Yah, that looks tricky. When a deep freeze is forecast I slowly and carefully bring down the level in my pans so that connector pipes like that are not completely full. This would serve the dual purposes of giving ice a place to expand within the pipe and concentrating the remaining sap so that it won't freeze as solid.
    60ish taps on buckets
    D&G Sportsman 18x63
    Turbo RB15 RO Bucket
    Stihl 044 and 026

  7. #7
    Join Date
    Apr 2019
    Location
    Northeast section of Northwest kingdom Vermont
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    Thank you for that thought. That will be my intent in the future. Although here close to the border of Canada and in the hills I should be prepared for the 80 degree changes during the maple season.

  8. #8
    Join Date
    Feb 2016
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    Peru, Maine
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    You could also add butterfly valves on each end of that pipe. Close them up when done, take the pipe of to drain and hook it back up empty. Open the valves and start boiling again next time.
    270 taps on 2 Shurflo's, 31 taps on 3/16" and 120 taps on gravity. 421 total for 2021 season.
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  9. #9
    Join Date
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    An easier option than valves would be plugs... You can use these to plug the outlet or inlet from the inside of the pan so that you can drain the valves and piping between pans. They're also very handy for cleaning pans.

    https://webstore.cdlusa.net/en/silicon-plug
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  10. #10
    Join Date
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    Leeds County,Ontario,Canada
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    Should you choose to put a fire under the pans,make sure it’s a small one,ice won’t melt fast enough to keep liquid against your flues,etc
    7th generation maple producer in sugarhouse built in 1892
    2x World Champion Maple Syrup Producer
    1250 taps on cv adapters
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