A collodion decanting rig facilitates removing collodion from a bottle without removing the sediment which settles to the bottom as the collodion clears.

In my seven months practicing wet plate collodion photography, I’ve continually struggled with a way to remove the collodion from the bottle I prepare it in without including any of the sediment which settles to the bottom as it clears. Of course, it’s critical that none of this sediment ends up in the collodion you plan on using on your plates, because it causes all sorts of contamination issues with your images and chemistry.

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