HELP!!!!!
eVERY TIME THE WASHER DRAINS WATER OR SOMEONE IS TAKING A SHOWER WE HAVE BUBBLES COMING FROM THE TOILETS (3) .
wE SNAKE TO LINES BUT WE STILL HAVE THE PROBLEM. WE CLEAN THE SEPTIC TANK MAYBE 1 1/2 AGO. DON'T THINK IS THAT. WHEN WE OPEN THE TANK THERE WAS WATER ON BOTH SIDES OF THE TANK (IS THAT NORMAL?) pLEASE HELP!!!!!!