Hi all,I have inheritated an unloved pond,it was very murky but the few fish seem happy enough...Now the job is on to sort it out,cleaned all the water out(yes fish are safe in some of their own water)cleaned all the debris from the bottom,but green muck on liner remains very obstinateThere is a pump and filter in with although does not work,so can any of you fab guys advise me...I live alone not got a clue,so can I make this pond more agreeable for the few fish without a filter or pump....Any advice will help this comp!etly baffled novice..Thanks