Posted: 2/12/2010 2:32:18 PM EDT
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Just a reminder. I was putting up some new 5 gal buckets and thought to check the old ones and found several that had lost their seal. I had let them all sit for a couple of days after sealing the mylar to make sure they hardened up properly before putting them away. I don't know what happened, but I am glad I caught it now rather than when they were needed.
Any ideas what might have happened? Thanks |
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O2 absorbers only absorb O2. Which is around 21% of atmospheric gas. The rest is not an issue.
None of my mylar bags sucked down tight like vacuum sealing, but pushing on the bag shows it is not unsealed. Maybe someone can enlighten me, but I am not going to repackage anything for not looking vacuum packed. |
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Quoted:
O2 absorbers only absorb O2. Which is around 21% of atmospheric gas. The rest is not an issue. None of my mylar bags sucked down tight like vacuum sealing, but pushing on the bag shows it is not unsealed. Maybe someone can enlighten me, but I am not going to repackage anything for not looking vacuum packed. All 20+ of mine look like they have been factory vacuum packed, I can see the shape of the beans through the mylar. One big solid brick. I do squeeze out as much air as possible, so a 21% reduction in air makes in suck down tight. I'm not saying that yours are not sealed tight, they probably are, just giving you ideas for next time you seal stuff. I don't hammer down my lids for 24-48 hours so that I can visually verify the vacuum effect. |
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Quoted:
O2 absorbers only absorb O2. Which is around 21% of atmospheric gas. The rest is not an issue. None of my mylar bags sucked down tight like vacuum sealing, but pushing on the bag shows it is not unsealed. Maybe someone can enlighten me, but I am not going to repackage anything for not looking vacuum packed. Batman, I thought that I had done a good job sealing my first few mylar bags then I really DID do a good job and the difference was amazing. Now my bags are hard as rocks. There is literally no give to them. If you punched one hard you would probably break your fist. I probably use more O2 absorbers than the average person as well. ETA I take a length of flexible aquarium hose and place it in one corner of the bag then seal the bag except for the small part where the hose is. I then suck all the air out of the bag I can, pull the hose out and finish sealing. Somebody supposedly makes a device that will suck the air out using a pump but I have not been able to find one. |
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Quoted:
Quoted:
O2 absorbers only absorb O2. Which is around 21% of atmospheric gas. The rest is not an issue. None of my mylar bags sucked down tight like vacuum sealing, but pushing on the bag shows it is not unsealed. Maybe someone can enlighten me, but I am not going to repackage anything for not looking vacuum packed. Batman, I thought that I had done a good job sealing my first few mylar bags then I really DID do a good job and the difference was amazing. Now my bags are hard as rocks. There is literally no give to them. If you punched one hard you would probably break your fist. I probably use more O2 absorbers than the average person as well. ETA I take a length of flexible aquarium hose and place it in one corner of the bag then seal the bag except for the small part where the hose is. I then suck all the air out of the bag I can, pull the hose out and finish sealing. Somebody supposedly makes a device that will suck the air out using a pump but I have not been able to find one. Okay. I'm an idiot.  I just popped the sealed lids on two of my rice buckets and they are tight enough to see the rice through the bag. Not solid like vacuum sealing, but tight. The rest of them have their lids bowed down from the volume change inside the bucket. I am pretty sure they are tight as well. Next time I will leave off the lids to check all of them, but I am very satisfied with the results.
When I check a couple the next day they were not sucked down tight. I have only done 10 buckets of rice, two of flour, and two of sugar. No oxygen absorbers in the sugar. |
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Quoted: Quoted: None of my mylar bags sucked down tight like vacuum sealing, but pushing on the bag shows it is not unsealed. Maybe someone can enlighten me, but I am not going to repackage anything for not looking vacuum packed. ETA I take a length of flexible aquarium hose and place it in one corner of the bag then seal the bag except for the small part where the hose is. I then suck all the air out of the bag I can, pull the hose out and finish sealing. Somebody supposedly makes a device that will suck the air out using a pump but I have not been able to find one. This will work as a cheap vacuum pump. At least to remove enough air for the O2 absorbers to complete the process. Here |