I have a problem with our toilets. when 1 flushed the first toilet, the "things' will came out the second toilet, which is the other side of the first toilet. This makes me have to flush both toilets to make it go away.
May I know why this happens?
Why does flushing one toilet cause another to back up
toilet
Related Solutions
If the problem is mineral clogging of the under-rim channels on the toilet, and this does produce the symptoms you describe, then neither CLR no vinegar may be enough to clear up the blockage. The traditional treatment is a cup or two of muriatic acid (HCl 36%, from the hardware store) down the overflow hole in the tank. That goes directly to the rim vents. Pour the stuff in, wait an hour, and flush. Gloves and eye protection are recommmended, and a funnel so as to avoid spillage and corroding the metal parts in your tank. This looks like decent writeup of the method: How to Fix a Slow Toilet
It looks like you are missing your fill hose. There should be a hose connecting the outlet at the top of your fill valve assembly running into your overflow tube:
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Best Answer
Yes I recommend a good sewer line cleaning, from a good rooter.