You can also flush ammonia down your toilet. Simply pour it into the toilet water before flushing. Make sure you don’t pour in more ammonia than there is water, however. If you have a lot of ammonia, use the sink or neutralize it. [2] X Research source

Don’t inhale the ammonia as you pour it. It’s best to open a window or turn on a vent while you pour the ammonia down the sink.

Make sure your sink runs at least 1 additional minute. If you have a spray nozzle, use it to rinse out the sink.

Instead of pouring the ammonia down the sink, neutralize it and throw it away.

The dry mixture is great for when you need to dispose a lot of ammonia at once.

Wear a mask while you clean up the mixture to avoid inhaling any fumes. It’s a good idea to ventilate the area, if it’s indoors. If you have a fume hood, you should turn it on.

Don’t let the neutralized ammonia sit around your house, however. You need to dispose of it immediately.

For example, the fumes from the ammonia can be harmful. Also, it could mix with other substances in the trash.

It’s safe to pour your rinse water down the sink.

If it is recyclable, you can put it in with your other recyclables. Alternatively, you can take it to your local recycling center.