Drano is a liquid or gel clog remover depending on the product you choose that works to dissolves obstructions in drain pipes including those of washing machines.
Can you use drain cleaner in washing machine.
Open the top of the machine and let it sit all bleach y and full for an hour.
Check and clean the filter monthly or weekly depending on how frequently you use the washing machine.
Get hold of a drain snake roll up your sleeves and get to work.
However the real issue may be the drain from the house to the sewer have roots in it or a breakage thus restrict.
If your washing machine drain is clogged one way to clear it is to use a commercial drain cleaner.
Fill the empty washer with hot water as if you re doing a large load of laundry.
You could try that or use a snake to see if there is a blockage.
Even calling the plumber once or twice a year for maintenance isn t a bad idea.
The drain cleaner if used should be suitable for pvc drain piping.
If the problem of how to clean a clogged washing machine drain does not resolve even after using the cleaners then get ready to use some elbow grease.
The solution works best on blockages caused by lint soap scum or dirt.
Sludge in washing machine drain hose soap buildup grease oils and other materials on items that go into the wash can lead to nasty smelly sludge in the washing machine drain hose.
First things first in order to keep the drain clean you should pour some of those enzymes based chemicals at least once a month.