Run the kitchen food waste disposal, if you have one. Make sure it's empty. Your Frigidaire dishwasher may be hooked up to it, and it could be causing the clogging. Turn off the power to the waste disposal, then take a look under the sink to make sure that the drain hose isn't k...
Ok…stubborn outside bottom steps drain. It would back up when kitchen sink and dishwasher would run and outside debris would build up. Had it professionally done 3 years ago cost me 100$..I was about by me a cobra snake 399$ at the lowes and or to call the Speedy rooter guy..and...