Beside buying and using the pond vacuum, there are so many other ways which you can try to be able to maintain your garden without have to break a sweat. For example, use the preformed pond insert. If you want to use the insert, then first you have to decide the place where you want to make the pond. You have to choose a nice location which at least can get about 6 hours of sunlight.
That is means, you better not choose a location which get a shade from large trees, or a location which full of vegetation which can make your water pond become dirty fast. You also can not choose a low level place to make your pond, because you will get flood when the rain comes. Second, you have to choose the preformed pond insert based on your space and budget, Larger ponds usually can stay healthier longer.