Looking to learn more about how Filters actually work, what they're made up of, or even to make your very own pond filter? I recommend checking out the article below. It's great! It's all about Pond filters and how to make your very own.
Make Your Own Pond Filter At Home. Building Pond Filters Easier Than You Think.
Once you understand the principles of a good pond filter you will quickly recognize that all that is often required is a box containing biomedia ... water is pumped through this box 24/7 so that colonies of bacteria that build up on biomedia surfaces remain strong and viable so they can do their natural job of purifying pond water.
Biomedia is a fancy word for almost any solid items such as stones, plastic rings, hair curlers, foams and other specially designed materials. These "things" are just surfaces on which bacteria can cling ... the best biomedia are those that have very high surface areas (called specific surface area or SSA) and that can be easily rinsed clean to remove solid debris that clings to the surfaces.
The advantage of buying a ready made commercial unit is that you don't have to do it yourself. In general these units are over-priced so do not be atken in by the bigger is always better approach. The really important part is the biomedia and for small to medium ponds try to find a filter with Alfagrog or Supra as the biomedia...........read more...
