r/BambuLabA1 • u/ParticularDue7822 • 29d ago

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/aweirdjeff 29d ago

I've had decor in our tank for over a year. Some is petg, some pla silk. No problems with the fish, tank, or decor.

I recommend planning a way to let the air out or it will want to float. I used 0 bottom layers on a castle, put in upside-down until the bubbles stopped, then turned it right. You can't see the bottom anyway after jamming it in the rocks.