Freeze drying eggs, milk and cheese at home
Blend eggs raw, pour to 8 to 10 mm on mats, then powder. Eggs keep 5 to 10 years, whole milk 2 to 5. Fat content is what limits every figure.
How to freeze dry candy: what works and what comes out chewy
Skittles, taffy and Jolly Ranchers puff dramatically and turn crunchy. Chocolate and gelatine gummies do not. Silicone mats are essential.
Oil mist filters: what they do and when to add one
A three-stage filter catches the oil aerosol a rotary vane pump vents. Essential indoors, optional in an open garage, and free with the Commercial pump.