If you have concerns about using conventional drain unblockers, below are seven products — some of which you may already have in the house — that can help to free any blockages you are experiencing and keep your drains flowing. Need an emergency plumber now? we can be there within hours*. I have a cess pit, not septic tank can i use this ? To keep their skills current, plumbers must keep up with new technologies by reading and speaking with others in their field.