Home-made vacuum freeze-drying setup
9:21
How to Build a Freeze Dryer
16:55
Don’t Buy A Freeze Dryer Until You See This!
0:34
5 Simple Tricks to MASTER Your Glucose Hb Testing with Colorimeter LJ-1317
5:19
FREEZE DRYING tips for BEGINNERS: plus What's the DIFFERENCE between DEHYDRATING & FREEZE DRYING?
20:01
50 COOL TOOLS YOU MUST SEE
15:52
Making Dry Ice from scratch
6:57
Making a REAL Homemade Freeze-Dryer! (with a cold catch!)
16:11