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Floral Freeze Dry - How To
freeze dry flowers: |
- Allow flowers to mature to the state you would like
them at when completed. (If you would like flowers such
as roses to open up more, warm water will cause them to
open quicker.)
- Allow flowers to absorb moisture naturally (e.g. in
a container with water, vase, etc.) for 12 hours. Ensure
that you use fresh blade-cut stems. Fluff heads if
bunched together.
- Strip foliages off stem and cut stem to desired
length. The stems will dry slower than the head,
therefore the less stem, the faster the drying.
- Pre-cool the specimen chamber to -5 Degrees F. Turn
the vacuum on for 10 seconds to seal the door (to hold
refrigeration).
- Load flowers in/on rack as you prepare them, filling
one rack at a time and then transferring into the
pre-cooled flower chamber.
- Place blackout cover on door. Leave interior light
off. freeze at -5 degrees F for 24 hours.
- Turn vacuum pump on.
- Every two days increase temperature in flower
chamber by -5 degrees F. (In ten days you will have
ranged from -5 degrees F to +20 degrees F.)
- After 10 to 12 days, open equipment and check to
ensure flowers are dried. Inspect by checking if flowers
are cold to the touch (a dried flower will not be cold
because it does not contain any moisture) and by
dissection of selected samples.
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