Your sink doesn't smell because of the drain.
It's the rubber flap you've never cleaned.

I did the thing where you lift the rubber flap and smell underneath. I actually gagged. Six years in this house and I had no idea what was under there. Two tablets in, the smell was gone.

I took a photo before and after because my husband did not believe me. Same sink, three weeks apart. I had spent a year blaming that smell on the disposal being old. It was never old. It was filthy.

My mother-in-law stays with us three weeks every summer and I am fairly certain she has noticed the sink before. Small thing to most people. Not to me. This summer there was nothing to notice.

You drop it in and the foam climbs straight up into the basin. You can actually see it working, which is more than I can say for the last brand I bought. The gunk let go in about fifteen seconds.

We are on septic so I have never been willing to pour anything harsh down that drain. I checked the label myself — citric acid and baking soda. Takes a minute of my life. Beats the vinegar routine I did for years.

Took three uses before the smell was fully gone. Mine was badly neglected, so that is fair. Now I run one on the first Sunday of the month. The kitchen smells like nothing at all.

I did the thing where you lift the rubber flap and smell underneath. I actually gagged. Six years in this house and I had no idea what was under there. Two tablets in, the smell was gone.

I took a photo before and after because my husband did not believe me. Same sink, three weeks apart. I had spent a year blaming that smell on the disposal being old. It was never old. It was filthy.

My mother-in-law stays with us three weeks every summer and I am fairly certain she has noticed the sink before. Small thing to most people. Not to me. This summer there was nothing to notice.

You drop it in and the foam climbs straight up into the basin. You can actually see it working, which is more than I can say for the last brand I bought. The gunk let go in about fifteen seconds.

We are on septic so I have never been willing to pour anything harsh down that drain. I checked the label myself — citric acid and baking soda. Takes a minute of my life. Beats the vinegar routine I did for years.

Took three uses before the smell was fully gone. Mine was badly neglected, so that is fair. Now I run one on the first Sunday of the month. The kitchen smells like nothing at all.

I did the thing where you lift the rubber flap and smell underneath. I actually gagged. Six years in this house and I had no idea what was under there. Two tablets in, the smell was gone.

I took a photo before and after because my husband did not believe me. Same sink, three weeks apart. I had spent a year blaming that smell on the disposal being old. It was never old. It was filthy.

My mother-in-law stays with us three weeks every summer and I am fairly certain she has noticed the sink before. Small thing to most people. Not to me. This summer there was nothing to notice.

You drop it in and the foam climbs straight up into the basin. You can actually see it working, which is more than I can say for the last brand I bought. The gunk let go in about fifteen seconds.

We are on septic so I have never been willing to pour anything harsh down that drain. I checked the label myself — citric acid and baking soda. Takes a minute of my life. Beats the vinegar routine I did for years.

Took three uses before the smell was fully gone. Mine was badly neglected, so that is fair. Now I run one on the first Sunday of the month. The kitchen smells like nothing at all.