We have a slow drain in the shower and sink.. and as of today... when we run the washer the toilet backs up. Any ideas as to how we can fix the problem without calling a plumber:(

I think we agree you have a plugged drain -- I would not try most products like Draino

I am currently looking for an answer!! GOOGLE -----> biological drain cleaner

Drainbo Natural Drain Cleaner (http://www.purezing.com/home/cleaning/tough_DB_draincleaner.htm)

Hope this helps you -- Please rate my answer