We are having an issue with one of our toilets "spitting" water out of the toilet when it is flushed. The toilet bowl itself also doesn't seem to have much water at all sitting in it. When we look in back of toilet, the tank is full of water – so not sure why there isn't more water in the bowl itself. Could this be an easy fix/adjustment?
Plumbing – Toilet Shooting Water when flushing
plumbingtoiletwater
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I'm guessing the valve assembly inside the toilet is finding a resonance when it's just about to close. You can replace it, and it's not too difficult of a DIY job. They sell just the valves:
But if you're going to take it apart to replace the valve, I tend to buy the full kit and replace all the guts.
Note that when my toilets started to leak, it was because of high pressure in the water lines. So it wouldn't hurt to pickup a pressure gauge that screws onto a hose faucet to make sure you don't have a bigger issue. After I fixed one, another would start leaking next as the pressure got a little higher.
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
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Best Answer
When re-filling the tank after a flush, some water is routed thru a small tube coming from the fill valve/float into the overflow tube that refills the bowl. Check to see that it's not broken or come loose from the over-flow tube. If not broken or detached, with the lid off the tank, flush the toilet and see if you have any water coming out of that tube (it's a small tube, less than 1/4" ). If no water is coming out during the re-fill of the tank, something is wrong with your fill valve/float. But not to worry, for most toilets (unless you have a fancy one with a dual flush function), toilet tank guts are very inexpensive, about $20 or so and pretty easy to replace. One of my sons had a running toilet and needed to have the guts replaced. He's not very "handy" at all, but I made him do it with my guidance just to give him confidence in home repair. He had no problems doing it all, piece of cake.
If you have a hard pipe from the valve on the wall, this would be a good time to replace it with a braided steel riser....much easier to deal with than hard pipe and compression fittings!