Improper Venting
If you are Seeing water bubbles rising from your toilet or noticing that the water level is rising and low, you are probably facing an issue that your toilet is not properly vented. So, if the water is rising and getting low, it’s a sign that your pipe is not properly pitched, and it can cause a slow leak into your pipes. But most of the time, it’s an air vent that causes the water level to go above and low.
