If you have experienced a slow drainage of water due to a blockage in your drain, the cause may be in your pipes or plumbing fixtures. There are certain types of drains that can be blocked in one way or another, causing the pipes to swell and put pressure on the outlets. There are several possible causes for this kind of problem; one of which is that your drain is just slightly off from being completely full, or a small portion of the drain is not even touching the outlet pipe at all. If this is the case, then there is usually not enough pressure in the pipe to force the water out through the drain.
One of the easiest ways to tell if your drains are blocked is to watch them as they empty. You will notice if the water starts to gurgle after the pump has been turned on. You can also watch to see if the water comes up with an odd sound when it is going down. For assistance with Blocked Drains Chelmsford, visit a site like https://www.3flowdrainage.co.uk/drainage-services/blocked-drains-essex/blocked-drain-chelmsford
If you smell strong unpleasant odours, you may know that something is in the pipes, because odours come from many different sources. You can try to use a very strong solution to see if it makes the odours go away, and if so, this would be an indication that the problem is in the plumbing. If the problem is in the plumbing, you will have to change the drain in question, and you will need to call the plumber to come out and get to the problem.