Water closet losing steam

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Old 03-14-17, 08:09 PM
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Water closet losing steam

Thanks for reading
My 3.5 yo Kohler Santa Rosa (K-38) seems to have lost flush power about 6mo. ago. Following up on suggestions I have verified: correct bowl fill height, correct tank fill height (right to the brim of the overflow), and all slack removed from the handle/chain. Still nothing. 2 flush minimum. It has never clogged proper (not that the bowl accommodates a plunger).
Now I'm thinking the problem may be downwind - worth a snake rental?
 
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Old 03-14-17, 09:08 PM
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Lost flush power...... what does that mean ?

If it were a waste line problem/clog it would overflow when flushed.
 
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Old 03-14-17, 09:45 PM
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Since new, it behaved much like a dual-flush unit - press and release would be adequate for most jobs, using approx half a tank. Press and hold for a full flush would never(!) leave anything behind.

For the last few months a half-flush doesn't even achieve drain siphon. Most jobs now frequently need two full flushes.
 
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Old 03-14-17, 10:04 PM
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OK.... thanks for the better explanation.

I'm not the pro here just trying to get some idea of the problem.

A question..... does the bowl level rise significantly before it starts to drain.... almost to the point it could overflow ?
 
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Old 03-14-17, 10:32 PM
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Nope, not significantly at all. Flush seems normal, just no oomph.
 
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Old 03-15-17, 05:04 PM
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Hello,
There are a couple of reasons for the problem you are having.
Pour a bucket of water into the toilet bowl. Does it flush? If no plunge it or get a bowl auger to clear it. If it flushes the problem may be a lime build up in the bowl. Clear all the holes under the rim and the jet in the bottom of the toilet bowl. You can use a wire or small screw driver.
I use muratic acid because it can get where a wire can’t. I use about a quart and pour it into the overflow tube in the tank I let it set for about a half hour then flush.
Muratic acid is used in swimming pools to balance the PH.
I use to get it at Home Depot but thiers is weak. Last time I bought it, I got it at Ace Hardware the muriatic acid 31% hydrogen chloride,
Woodbutcher

Good Luck Woodbutcher
 
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Old 03-16-17, 02:16 AM
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Clear all the holes under the rim and the jet in the bottom of the toilet bowl. You can use a wire or small screw driver.
That was my thought also. I haven't had to do that in decades but a piece of coat hanger works well. If I remember correctly that is an issue usually caused by minerals in the water.

Since it does flush ok once the water gets to the bowl it's not likely to be a drain issue.
 
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Old 03-20-17, 11:27 AM
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Thanks for all the feedback. I drained the bowl and added some Calcium/Lime/Rust remover I had on hand, let it sit 30 min and then went at the bottom jet with a coat hanger - seems like there is definitely more flush power after the cleaning. I may attempt this again in a few weeks with a full quart. Thanks again!
 
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Old 03-20-17, 12:23 PM
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Next time you add that..... pour it down the little standpipe tube in the tank.
It will run down the inside of the bowl.
 
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