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I hadn't thought of that - will have to check to see how much sand is required to sink the parts, but that might just work :)



I honestly haven't tested PLA in my tanks however I read that it...

I'm currently making small decorations/objects/caves/etc for fish tanks using ABS (as PLA I believe dissolves in water) - but there's been one issue - it floats. We're looking at putting lead into...