Want more stories like this? visit. When your drains go wrong, it can be a complete nightmare if you’re experiencing blockages, gurgles, slow water draining or bad smells coming from your drains, and you think something serious is wrong, it’s best to call in the experts at dyno-rod whether it’s drain cleaning or drain unblocking, we’ve seen it before, and we’ve fixed it before. Blitz sink and drain unblocker/opener. After some careful inspection, you might.