That has lead to me making my own lactose free Greek yogurt and freeze drying it to use for yogurt and sour cream for my son. We also freeze dry lactose free milk for traveling or for any other time we need it. It reconstitutes very well.
After the 3rd cycle I had hit my 20 cycle oil limit so it was time to change the oil. This time I took the time to add a flush port to my pump. When I replaced the plumbing with larger diameter brass and a cutoff valve I did not think to add the oil flush out port.
I love adding powdered vegetables to soups to thicken them. It’s a great way to add nutrients without anyone noticing! You can also use powdered zucchini as a substitute for flour in baked goods; substitute 1/3 of the flour with zucchini powder.
After it’s processed, I weigh the tray again and subtract the ending weight from the beginning weight. That tells me how much water to add for reconstitution. I like to write on the mylar bag or jar lid how much water to add so I don’t have to guess when I am ready to reconstitute the food.
2. Space Requirements: Ensure you have adequate space for the unit since they need to be elevated for proper drainage and ventilation.
Of course the bags were frozen right in to the mass of berries so it was quite a painful struggle to get the mess to the point where I could hack off slices of the berries to put on the trays.
The differing vacuum levels during the system tests would be consistent with either a door seal leak or an drain valve leak.
The unit can also connect to and communicate the freeze dryer cycle data to a nearby PC through an ethernet cable.
Tray lids– Though freeze drying is underway, you would possibly end up prepping for the next batch. Tray lids are vital in these conditions, Shop Now preserving your prepped food from contaminants, odors, or unintended spills with your freezer.
Furthermore, the modern freeze dryer systems have vacuum pumps and refrigerators which enhances the drying cycles and saves energy.
Posted January 21, 2016 (edited) On 12/1/2015 at 0:16 PM, Jenipher said: Tony, if you see this, I went ahead and purchased the catch can. Do you think it's okay to just purchase a reducer to go from the size of the exhaust to the size of the hose that came with the can? Hopefully I said that in a way that makes sense! As well, does it matter which port is used as "in" and which as "out"? Thanks so much, Jen Hi Jen, Sorry to be gone so long. I did exactly as you proposed. I purchased a brass Buy Now reducer and pushed the blue hose over it.
Run full system test with no food in chamber (results, 630 mTorr lowest steady reading - looking through the oil level window, some bubbling seen in oil even after an hour of pumpdown - some "air" noises from pump)
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Unfortunately, freeze-dried food can often be very expensive. We’ve seen this first hand as the only company that sells both frozen beef boxes to store in the freezer for up to a year as well as freeze-dried beef cubes to store in the closet for over a decade.