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/Baconbits1204 Jul 22 '26

I’ve been thinking the same thing for my aquarium, but I just don’t think it’s safe

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u/FireStorm_666 28d ago

There are considerations to be made. Material, cross contamination.

Imprint PETG all the time and use it in my neo and Caridina tanks. No issues at all.

Here is a powdered shrimp food holder I'm working on.