hi im new to this forum . im having a problem with sewer gas from dried out basement drains . do you think its safe to cover them with 1 gallon zip loc bags filled with water as a temporary fix? i try to keep the drains filled with water, but my dehumidifier on hvac keeps drying them out.[/QUOTE]

I have a slow drain, everything works great until it doesn't. Example: I wake in the morning and take my morning "break" the toilet runs great and will do so until I wash dishes after lunch. The sink drains very slowly and the toilet will no longer flush. If I plunge the toilet it comes up in the tub. It will all drain eventually, but takes a long time. Throughout the day, I can hear a "gulping" noise in the drains. I had a plumber come out and he checked and removed the roots that were clogging the main line. He said it was all clear, but I am still having issues. I don't want to call the plumber again unless I have absolutely no choice. Is there anything else it could be? FYI: it is an older house, no upstairs, one bathroom, I do not have a washer or dishwasher. We stopped flushing toilet paper and I don't dump food/grease down the drain when I wash the dishes.