I would prefer those fittings to have internal Este rings and knurled thread on ports (similar to R134a vacuum gauge sets) that do not require high torque compression fittings. Finger tight and you are good to go. You spot a leak, change the Este ring and you're back in business.
The characteristic timeless design is as popular today as in the 50's. It was first developed by civil engineer Alvar Lennin.
We have to face one hard fact when shopping for home freeze dryers. That fact is, unlike many other purchases, freeze dryers aren't cheap. However, unlike many other purchases, a freeze dryer can provide a lifetime of cost savings that ultimately pay for itself.
Regular maintenance includes cleaning the lint filters, inspecting and cleaning heating elements, checking for any blockages in vents, and ensuring all moving parts are lubricated. Follow the manufacturer's maintenance guidelines for specific intervals.
April 22, 2025 by Lily James Freeze-drying, also known as lyophilization, is one of the most important processes in the food industry and the pharmacy sector, as it allows for long-term storage of a product without losing its value. Currently, this method is extensively employed for the preservation of active pharmaceutical ingredients, biologics, and food products as moisture is extracted without deteriorating its quality.
Upon turning off the pump (no isolation valve on the pump - standard setup), the chamber pressure rose quite rapidly going to 2000 mTorr and continuing up in a couple of minutes or so.
The longevity of freeze dried food depends on the what the food Freeze Dryer for sale is and how it is stored. When stored in a mylar bag with an oxygen absorber, many foods can last up to 25 years. If stored in a glass mason jar with an oxygen absorber and a vacuum sealed lid, food can last about 5 years.
The pros and cons are easy to understand. In fact, there really is only one pro and it’s a huge one. YOU control the food you’re storing away for yourself and your family. Those who are willing to spend the time and money to freeze dry their own food should do so as long as they’re going to be committed.
We sold a grainmill also, hyped by a friend who had several. Used it some also. Nothing happened and other things incl food was donated or tossed. Now retired, who has time or money to throw away again? not me.
adding insulation on the 3 ports on the chamber (One time thing - the drain and vacuum ports are very easy to get to)
The only downside is that the interior is now so cold that defrost time has doubled! I Buy Now use a large high volume fan to defrost the unit, not the heat trays. It used to be a 15 minute job, now it is closer to 30 minutes.
This is why so many people are buying their own freeze dryers to use at home. The market is essentially cornered by Harvest Right, which isn’t a bad thing since their quality and customer service are both superb.
Back from our trip I turned the unit on and to my dismay found that the display was missing the middle two lines.
Howdy! My name is Morgan I’ve been prepping for over 10 years and teach others to be prepared for emergencies and disasters. Learn more!