Failed sealed jar with water from a local pond. I’m thinking of restarting but is it safe to open this? Concerning white film on top.

by nicoleole80

2 Comments

  1. BitchBass

    Add an aquatic plant and watch it recover. The white stuff is biofilm and normal.

    Yes you can open it. It might smell, might not, but it’s not gonna kill you.

  2. jerrythecactus

    Besides smelling like rotten pond scum, this should be perfectly safe to open and modify. Don’t go drinking it or anything and you’ll be fine.

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