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Question DetailsAsked on 3/16/2018

When I flush my toilet it fills up with water but it empties fast. How do I fix it?

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1 Answer


First time I have heard of someone complaining about the toilet bowl emptying TOO fast - usually the complaint is too slow or not at all.

IF you mean not enough water is getting into it from the tank - so the flush cycle is too short, then check the tank (assuming a tank type toilet) to see if the water level in the tank (after it refills) is near the top of the roughly 1 inch diameter overflow tube - if not filling near that point (which should also be near the fill line embossed or marked on the tank itself), then likely (assuming the toilet is not "running" or constantly leaking out into the bowl and "phantom flushing" periodically) the float is hanging up on something or needs its slide or adjustment screw reset for a higher fill height,, or possibly the float has leaked and become waterlogged and does not float like it should. (This assuming this is not a "new" toilet to you - that this is a new occurrence on an existing toilet).

Another possibility - if a "new" toilet to you - maybe previous owner set the float fill valve shutoff height lower to save water, or put a brick or filled plastic bottles or such in the tank to reduce the volume of water used in a flush - adjusting fill valve shutoff elevation or try removing any fillers and see how it works, though if in a metered water usage area with high water charges those actions will increase your water bill noticeably to as much as sometimes 100% or so.

In case that did not answer it or you spaced and meant it is emptying too slowly, here are links to a number of previous questions with answers on toilet bowl filling/flushing issues which might help:

Answered 2 years ago by LCD

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