Cooler draining research says don't drain! - Mountain Buzz
 



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Old 12-17-2018   #1
 
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Cooler draining research says don't drain!

The latest Boatman's Quarterly Review from Grand Canyon River Guides has an article with some interesting research on drained vs undrained coolers. Check it out if you are a member.
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Old 12-17-2018   #2
 
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I will try to find a link to the article or at least post up graphical representations of the research and findings.
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Old 12-17-2018   #3
 
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Here is the chart of results.
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Old 12-17-2018   #4
 
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Pretty unambiguous: temp in your cooler stays lower, longer if you don't drain.
Dragging coolers on 2 week + trips for a long time now, I've come to same conclusion just by noting temperatures (cheapo and not so thermometers inside). The only thing you have to worry about is a method to keep food above the ice/melt/eventually cold water.
Plastic tray(s) on some kind of legs work fine, at some point you will drain at least some of your melt (catch it in a bucket to cool beverages on a hot trip, I pump mine with cheapo bilge pump). Main thing is to isolate food from water/melt, if anything gets in contact assume it's contaminated. Ziplocks, even double ziplocks have not proven reliable. Vacuum bagging is better but not foolproof (at least for this fool). Hard-sided plastic containers can be bombproof if you can achieve good seal and/or keep upright. After decades I've finally succeeded in convincing spouse not to throw away plastic containers that have good seal and can hold foodstuffs (think of Gatorade containers, dishwasher pellet boxes, etc.) Now have priceless collection of "family plastic" that can store all kinds of quantities of everything from eggs to homemade green chili...
But the "drain versus don't drain" argument is pretty much settled. Science is not a liberal conspiracy...
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Old 12-17-2018   #5
 
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Shots fired
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Old 12-17-2018   #6
 
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Anything to keep my Peanut M&M's dry.
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Old 12-17-2018   #7
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Yup, hear we go again, can hear the river knives unsheathing already, Lol!
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Old 12-18-2018   #8
 
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Ice lasts longer if you use oarlocks instead of pins and clips.
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Old 12-18-2018   #9
 
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But does ice last as long with a Hydrospeed riverboard when the GC prohibits Carlson riverboards?
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Old 12-18-2018   #10
 
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I thought it was obvious that replacing cool water with hot air would increase your cooler temp. Why would anyone think differently?


The advantages of draining your cooler are less weight and making it easier to keep your food from getting wet.
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