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Winogradsky column - October 2005 by KAP Cris
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©
KAP Cris
:
Sample site for Winogradsky column material
©
KAP Cris
:
Winogradsky column filled
©
KAP Cris
:
The Winogradsky column inside
©
KAP Cris
:
Egg yolk going into the Winogradsky mix
©
KAP Cris
:
Additional ingredients for the Winogradsky column
©
KAP Cris
:
A one-liter pyrex cylinder