Removing water quickly is very important because the longer a harvested plant or compound retains water, the higher the chance it has of spoiling, losing nutrition, and losing potency.
I honestly think putting a thermometer inside the unit is an excellent idea. I sent the following note off to Harvest Right Support in an effort to gain a little better understanding of the process.
If you don’t have the time or money, or if you believe the food crisis will hit hard very soon, then it makes more sense to buy freeze-dried food instead.
Commercial freeze dryers are much easier to find than industrial or laboratory freeze dryers as they’re made for the service industry and some manufacturing sectors.
With their assist, it is possible to maintain uniform thickness and Room amongst food slices, advertising and marketing even drying and optimum texture.
It's awesome! I don't have a freeze dryer yet but am planning to place an order tomorrow. I am super curious how Kerry's scroll pump is holding up... eliminating the oil from the equation would make this whole thing SO much easier.
Remove all ice every oito hours of drying time. It is amazing how much faster the drying time drops doing this. A side benefit is water vapor does not contaminate the oil as fast. I've gotten up to 20 cycle per oil change by carefully monitoring the oil and water.
What tastes best? Some foods may taste better to you using traditional preservation methods, others may taste better to you preserved by freeze-drying.
14 Posted December 16, 2015 (edited) On 7/31/2015 at 11:12 PM, TonyC said: Somehow this post got posted twice so I'll edit the second one with some more useful information. I remember reading somewhere in this thread where somebody was asking how long you run the freeze cycle with pre-frozen food. I have my chest freezer set to -12F, and I usually let the freeze dryer cool for an hour before I put the frozen food in. After I load the food in I wait another half hour to start the drying process. I've had a lot of cycles that the Perfeito time between pulling one batch out and starting the drying cycle on the next is around 2 hours. I'm running mine in a cold garage, so it cools down pretty quickly. If you have yours in a warm room it would probably take a little longer.
AN8 male fittings are 3/4 X 16tpi. Should be able more info to get one that will work in this application. Also, there filters that use metric threads, might be easier to deal with.
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Is it flash freezing and dehydrating at the same time? Do the items need to be kept frozen, or stored at room temp?
The industry standard machine for drying ice water hash at commercial operations that need serious throughput