To choose the right trays, consider the size and model of your freeze dryer, the types of products you'll be drying, and the required capacity. Ensure the trays are compatible with your specific freeze dryer model and suited to the materials you plan to preserve.By removing residual oxygen inside packaging to below 0.01%, oxygen absorbers effective… Read More

We purchased a medium Harvest Right freeze dryer with the upgrade to an oil-free pump in early 2022. Ours is now an outdated model with only 4 trays.Beyond remote service, warranty service is also important since the entire machines are costly and difficult to ship. Blue Alpine has an online store with plenty of replacement parts available for DIY … Read More

Food must be freeze dried following certain standards to be safe to eat. Before using your freeze dryer machine, carefully read the manufacturer’s instructions and follow all safety, sanitation and food-storage recommendations exactly. Never eat food that you suspect might be spoiled or may not have been freeze dried properly.When purchasing from… Read More

For quality, we spit our evaluation into two sections: manufacturing quality and service. Quality determines whether your machine will start up first try, stay running with proper maintenance routines for years, and how easily (and quickly) it is fixed if a component breaks.We’ve found that a sturdy bench made of food-grade stainless steel works … Read More

During the final secondary drying stage, any remaining moisture undergoes sublimation through sustained vacuum and gentle heat application. Throughout this carefully orchestrated process, the freeze dryer's sensors continuously monitor temperature and pressure to optimize conditions for each specific food type.To compare service levels, we used a t… Read More