With the tank lid off compare a flush in the basement toilet to a flush in one of the properly operating toilets.
Toilet low water level after flush.
The fill tube is damaged the most common reason your toilet bowl water level is low is a damaged fill tube.
You will need to start by taking the lid off the top of the toilet and checking the water level.
To check to see if this is the reason your tank is losing water add a jar of food coloring to the back of the toilet tank.
As your toilet s tank fills the tank also redirects water to the bowl.
4 reasons for low water level in your toilet bowl how to fix it 1.
Tank water level set low tank.
If it is not installed into the flush valve the water level in the toilet bowl will be low.
When there s a crack.
Make sure there s no problem with the water supply to the bathroom or rest of the house.
To get your water level to where it needs to be first you ll need to make the proper adjustments to the fill valve.
To correct low water level in your toilet bowl ensure the rim feed hose in the toilet tank is connected to the flush valve.
It s recommended that your water level be approximately a half inch below the top of the fill tube.
If the water in the toilet bowl is low after flushing i see four likely causes in order of most likelihood 1 the fill valve is not putting enough water into the toilet bowl.
If the water level in the toilet tank is too low the float arm may be working improperly and need adjustment as.
In your malfunctioning toilet the water supply may not be directing the flow through the small flexible hose into the overflow tube.
If the water level falls after the bowl fills up this valve is probably the culprit.
First low water in the toilet bowl case.
The toilet bowl is cracked although cracks in the toilet bowl are rare it can happen.
The water supply system in the tank is supposed to continue a gentle flow into the bowl after the flush is finished to raise the level in the bowl to the height that the design of the toilet trap allows.
6 causes of low water levels in a toilet bowl or tank fill tube leak.
So this is normal.
Flapper valve problems when your toilet fills up after being flushed the flapper valve allows water to drain into the tank.
If you notice the water level in the tank is low it s likely a result of the float.
If the adjustment doesn t help replace the fill valve.