Long Term Food Storage-PT 2 Storage

Long Term Food Storage-PT 2 Storage

There are three ways of storing foods for long term use; Descendants, Nitrogen and Dry Ice. I’ve tried to suit these to an Australian context as most of the information on the net is suited to other countries where different products and pricing are available.�

There are two types of desiccants or moisture absorbers, short term that lasts for six months without opening then once opened only last for twenty minutes and those that last for a year before needing to use. These can last up to two hours once exposed to the environment.�

These need to be used in conjunction with mylar bags as they form a partial vacuum and can cause the collapse of a pail. When used with mylar only the bags contract and use the structure of the buckets for support. The amount of desiccants need to matched to the size of the container being used to remove the correct amount of moisture. The bags cannot be used alone as they are easy to puncture. I haven’t been able to locate a local supplier for either the mylar bags or food grade moisture absorbers.�

Nitrogen can be used immediately, as the pails can be closed as soon as they are full. This may be a good choice if sharing the cost between several people for large amounts of buckets to be sealed. �

To rent a food grade nitrogen bottle G size 8000 litres weighing 60 kilo at five foot in height costs approximately $150/yr for the bottle, $110 for the gas, $175 for the regulator, not counting hoses and still requiring transportation. Bringing a subtotal to $450 or there about.NOTE: when using Nitrogen in enclosed spaces it becomes deadly.�

Using Dry Ice costs $6.50/kilo in pellet form requiring approximately 10 kilo or $50 – $60 for the amount of containers I would need to fill. Dry Ice forms CO2 as it melts, removing the O2. The idea is to remove as much oxygen as possible to stop oxidization and to prevent insects from mulitplying through their life cycles. NOTE: when handling dry ice it can burn. Always wear safety glasses and gloves when handling.�

I want to use 10-15 kilo buckets as these will fit under a double size bed, stored out of the way and are light enough to be easily moved without the need of a sack truck. If one pail should become contaminated or have broken seal, only a small amount of the stores will be effected and not the entire amount.

The smallest food grade buckets/pails I’ve been able to find hold 15 litres/15kgs are 13inches/330mm in height with lid or 290mm without and 12inches/300mm in width. The lids have a rubber seal in the base of the lip and a tamper seal on the lips edge, preventing removal with out first removing the tamper strip.�

This size will fit 24 containers under a double bed frame and are light enough filled, to be easily moved for either rotation or possible evacuation. A sack truck is still needed to move more than one container at a time.�

I was considering importing Gamma seal screw on lids from the States costing $6.85US ea not including shipping subtotal $168US or $200AUD before shipping is included. It costs $228AUD for 24 buckets and lids from the local manufacturer. Other than the cost, what sold me with using the push on lids were the tamper seal, luckily these are reusable.You definitely know that no one has gotten curious and decided to open any of the pails to see what’s inside and release the carbon dioxide stuffing up hours of preserving. These have cost me $6.36/bucket and $2.27/lid with 0.87 GST/EA coming to a total of $9.50EA or $228/24 containers.�

I like using mylar bags in association with buckets, this is the simplest and easiest way to store food long term. NOTE: Do not use O2 absorbers and Moisture aborbers in the same container unless in a high humidity area and then do not place in close proximity to one another or either wont work. These can be brought from Sorbent Systems or straight off Eprey. Eprey have deals where the bags and the correct size O2 aborbers are sold together. A 5 Gallon bag 4.3mm in thickness measuring 20 x 30 inches generally requires from 2x750cc=1500cc to 2000cc O2 absorbers.�

Generally 10 cups of wheat will make approximately 14 cups of flour. This depends on how fine you are grinding and the type of grinder being used.

10 cups of wheat makes 14 cups of flour

1 Litre = 1 Kilogram

4 cups per 1 litre/kilogram

60 cups per 15 litres/kilograms

60 cups of wheat should make 84 cups of flour or

42 loaves of bread per 15 litre bucket