Safely Dispose of Used Clearing Bath

[Dankinnane]

Hi, I'm wondering how to safely dispose of used clearing bath. I am connected to a private septic system and I've heard some people say it's safe to pour down the drain, but I just wanted to get a second opinion. Thanks!

[Jason Greenberg Motamedi]

What do you use to clear? Citric acid might be ok, but EDTA is not (easily) biodegradable.

[xkaes]

I've never seen formulas for clearing baths that used either citric acid or EDTA. Am I missing something important?

[Dankinnane]

Sorry, I forgot to mention that this is for Pt/Pd printing and I believe it is EDTA.

[David Schaller]

I’ve put both down the drain into my septic. No problems that I know of.