ShrimpShack Posted February 5, 2015 Report Share Posted February 5, 2015 Heat packs use up O2 pretty quickly, making breather bags almost useless. There is no O2 going in to the breather bags even if the environment is warm. Any thoughts/comments? Quote Link to comment Share on other sites More sharing options...
JamesHe Posted February 5, 2015 Report Share Posted February 5, 2015 You should choose 72 hours heat pack, it stay warm longer, and need less O2 compare to regular heat pack. I don't have problem to use breather bag with 72h heat pack. Quote Link to comment Share on other sites More sharing options...
RyeGuy411 Posted February 5, 2015 Report Share Posted February 5, 2015 The shipping box is not airtight so I cant imaging that the heat pack takes all available O2 out of the box and it doesnt get replaced by the air in the environment. Quote Link to comment Share on other sites More sharing options...
manticore Posted February 6, 2015 Report Share Posted February 6, 2015 it depends on the whole construction of the package when using them both. even if in theory it could be a problem i just used exactly this way of packing yesterday. animals arrived today all alive. environment temperature at arrival station 9 (nine) degrees fahrenheit (minus 13 degrees celsius). inside red rillis, carbon rillis, and sakuras. Quote Link to comment Share on other sites More sharing options...
Dendrobatez Posted February 6, 2015 Report Share Posted February 6, 2015 If you were afraid of O2 being consumed why not use phase 22 packs? They are a lot cheaper than they used to be ShrimpShack 1 Quote Link to comment Share on other sites More sharing options...
ShrimpShack Posted February 6, 2015 Author Report Share Posted February 6, 2015 Hmm. I'm sure shrimps don't use up too much O2 so I am sure shrimps would do fine either way. But the question is; is it economical? I'm curious if anyone used an accurate DO meter to test samples of 1. breather bag with heatpack 2. breather bag without heatpack 3. regular fish bag with heatpack 4. regular fish bag without heatpack All having the same numbers of shrimps inside of the bags. and samples without any shrimps inside, and all in the shipping box insulated with styrofoam. My work place has a $1k+ DO meter that I am curious to do a little experiment on these shrimps... But I wanna check if anyone else have done this. I've experimented using 72 hrs heat pack, and in my experience, it didnt last 72 hours when the shipping package was too full; need to leave some air room for the reaction to continue. Also, if the box is not airtight, allowing gas exchanges... what does it means for styrofoam as insulator? thoughts/comments? Soothing Shrimp 1 Quote Link to comment Share on other sites More sharing options...
ShrimpShack Posted February 6, 2015 Author Report Share Posted February 6, 2015 If you were afraid of O2 being consumed why not use phase 22 packs? They are a lot cheaper than they used to be Interesting, I'll definitely look into it and leave feedback Quote Link to comment Share on other sites More sharing options...
Soothing Shrimp Posted February 6, 2015 Report Share Posted February 6, 2015 I don't think anyone has done that shrimpshack. Quote Link to comment Share on other sites More sharing options...
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