Questions, if I may...
How long until the 2000cc O2 absorbers are used up. Would be helpful to know the amount of time we have to get them in, and make the seal. How long is too long?
Here is the way we do it and have never had problems.
First, we get all of our buckets (free from the various grocery stores we visit) and set them out.
Second, we get all the bags filled with whatever you plan on storing. Be sure to leave a good bit of room at the top, in other words, don't fill the bag all the way up...you have to be able to make a seam and I have found you need at least 5-6 inches the way we do it. You will be using 10 O2 absorbers so be sure you have ten bags to seal up, otherwise you waste what part of the 10 pack you don't use. Also, we have found that having the bags out of the buckets is easier to work with than trying to seal them inside the buckets.
Third, get your iron, crimping iron or hair straightener ready and hot. It helps to have two people as well for the sealing part later.
Fourth, open the O2 packets last and toss them in all the bags. This should be the last thing you do before sealing. Try to bury them a little into the stuff you are storing because if you just toss them on the top of it, we have had O2 absorbers get sealed and then they crack open and get into the food.
Fifth, start sealing the bags one at a time. Be sure to squeeze as much air out of the bag as you can while sealing. After sealing, put them in the buckets, but don't put the lid on the bucket. You want to make sure you got a good seal and how you will be able to tell is that it will suck the bags together...kind of like when you buy coffee in a bag all vacuum sealed. Also, if you don't put the bags in the buckets after sealing, it can be rather difficult to get them in once they have absorbed all the oxygen because they can become rigid like a brick. Once you are sure they all sealed right, close up the bucket, date it and store.
Good luck!