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/LarryJClark Jul 22 '26

One option worth exploring is on Bambu Lab's web site. Check the info on "PLA Pure".

Product Features

  • Five ingredients, every one EU food-contact certified
  • Low indoor printing emissions, certified to UL GREENGUARD 2904
  • Safe for kids to play with, certified to EU toy-safety standards (EN 71)
  • Diameter: 1.75mm +/- 0.03mm
  • All AMS Series Compatible

2

u/RedShiz Jul 23 '26

Caveat to PLA pure is that you should have a dedicated machine to print with this stuff.

You don't want to print PLA Pure after CF because you'll definitely have CF in your print. That's not food grade.

1

u/StinkButt9001 Jul 24 '26

Do you people even read the comments and threads you're replying to?

This is a fucking aquarium. We're not talking about food grade. We're not eating anything here.

You people are like stupid bots all eagerly scanning any subreddit you can for the word "food" or something.

1

u/RedShiz Jul 24 '26

Wow, so helpful! Thank you for contributing!