Garage & Garden ruling
Can brake fluid go down the drain?
The garage product stays out of the household plumbing. Full stop.
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Sink or drainNo
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Garbage disposalNo
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ToiletNo
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Septic systemNo
01
Why the pipe objects
Brake fluid is a chemical automotive waste that can contaminate water and should not be mixed with used oil.
02
Do this instead
Keep it sealed and separate, then take it to an accepting automotive or hazardous-waste collection site.
03
Already did it?
Do not mix it with cleaners, fuel or other fluids. Contain the remaining product and contact your local wastewater or hazardous-waste authority for spill guidance.