While you re waiting for the water to heat remove as much standing water from the sink as you can using a mug or small pot to bail out the water.
Back to back sinks clog.
Baking soda and white vinegar.
Otherwise all that air simply goes up the vent for back to back lavs there are only two ways to remover a blockage.
When you open the cabinet that is below your sink you will see some pipes.
Attach the wet dry vac hose to the stopper pipe.
If the water stands in the sink and the clog doesn t move give the water time to cool and remove it to try again.
This option is free so you can give this one a go first in order for you not to spend any money.
Turn on the vacuum to the highest setting.
Snake from the lavatory roof vent and or.
The one that is shaped.
Remove the p trap with a screwdriver or wrench depending on the fastener type used on your model.
Place a bucket beneath your p trap.
If the clog is on one side of a double sink seal up the opposite side of the sink with a rubber stopper.
To use a drain snake remove the sink strainer and insert the tip of the augur down the pipe and twist the hand crank which releases the wire cable.
The pressure of the vacuum should dislodge the clog.
Keep feeding more of the snake into the drain.
Because the clog will be found below and downstream from the cross and.
2 air guns only work when the clog s between the air gun and the vent.
Place the hose end at the entrance of the drain then create a tight seal around the end of the hose and the drain.