Help. I have a smallish garden pond (app 2' x 4') with a pump and a bamboo shute. it was installed last year. No fish. There were a few plants but all dead now. Rocks at the bottom. I love the sound of flowing water, but, the whiff is unbelieveable!! Blanket weed (i think) keeps appearing near the surface which i regularly rake off. I have tried using "Blagdon Extract of Barley Straw" as recommended by garden centre staff but to no avail. Please can someone recommend something else I can try as the pond is in a corner beside my neighbours garden also!