The kitchen sink gets clogged often. I'll have to switch to a fine mesh strainer. What's an effectiv…

Don't you want to get a garbage disposal? It's a super useful thing, grinds everything up.

I use caustic soda on all my pipes every couple of months.
In your case, it looks like you might need to install a garbage disposal.

Your sink is getting clogged because the corrugated pipe is all dirty further down. Replace it with a smooth one, and that should fix it.

Olya We have a new sink and pipe.

Ekaterina I've seen one like that, but my finances don't allow it yet.