This month made it the first year anniversary of moving into my new home and we fortunately or may be unfortunately inherited a fish pond (Koi and gold fish). Recently a pond clean guy came round to give it a quick clean. Now the fish Pond is not holding water just after pond man came over to clean pond. I initially suspect the the clearer had done something he should not have done.
I have tried turning off the pond filter to see if the Pond cleaning chap had missed a trick went assembling the filter and cleaning. The pond still seems to lose water to a lower level.
Any valuable advice as to the next thing to try would be helpful. It has proven rather difficult to find where the pond is leaking from. The internal linining looks ok etc. Looking forward to a helpful response.