This means that water level in the tank should be adjusted in the right manner so that the kind of flushes you get are not weak or even wasteful. Check levels and most tanks come along with a waterline marker that calibrations can be made from.
This means that water level in the tank should be adjusted in the right manner so that the kind of flushes you get are not weak or even wasteful. Check levels and most tanks come along with a waterline marker that calibrations can be made from.