this post was submitted on 20 Mar 2025
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[–] [email protected] 3 points 1 week ago (1 children)

I also wonder about the cost of using the oven, and whether it's cheaper than just buying washing soda.

[–] [email protected] 1 points 1 week ago* (last edited 1 week ago) (1 children)

P = = oven average power ~1kW=1/1000MW
C = = electricity cost ~50 to 200 $/MWh
Δt = = process time duration ~1.0h
Total = P x C x Δt
... so, a few cents maximum, right ?
... it's more the time and effort you put in !

[–] [email protected] 2 points 1 week ago

When you put it that way, it's not nearly as expensive as I thought.