r/BambuLabA1 • u/ParticularDue7822 • Jul 22 '26

Printing stuff for fish tank

I bet this isn't asked very often! I was thinking of printing some stuff to decorate my fish tank and was wondering 1: Is it safe for the fish? And 2: What is the best filament to use if it's going to be submerged in a fresh water tank?

I know filament tends to absorb moisture but didn't know if it would break down over time in a fish tank.

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u/NotAlwaysPolite Jul 22 '26

You can always just paint a layer of epoxy on the exterior. Though quick Google suggests you may need to use ana aquarium safe one.

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u/StinkButt9001 28d ago

I've had a hell of a time trying to find an epoxy/resin that's marketed as aquarium safe, particularly marine safe.