It's quite simple ... If you keep fish in a pond you do REALLY need a pond filter and UVC or ultra violet light. Install these fish pond essentials and you will always have a wonderful crystal clear hassle free garden fish pond.

Once you've completed these pages you'll be an expert on everything to do with pond filters.

1.Pond Filter Biofiltration & Pond Water Quality part 1: In a pond toxic chemicals build up naturally.

2.Pond Filters Biofiltration & Pond Water Quality part 2: Toxic chemicals like ammonia build up in ponds and unless they are removed by continuous bio filtration the fish will eventually poison themselves to death...

3.Shape of a biofilter does not matter Make your own: Shape of a biofilter does not matter. Make your own. Once you fully understand what a pond filter does and how a biofilter works it is simple to buy the right one and it will cost you very little...

4.Bacteria of a special naturally occurring type are the secret to effective pond: Bacteria of a special naturally occurring type are the secret to effective pond filtration. The more bacteria you have in any pond filter the better your pond water quality will be...

5.Comparing different pond biomedia: More surface = more bacteria = cleaner pond water. The more bacteria you have in any pond filter the better your pond water quality will be...

6.Bacteria grow on the surfaces of biomedia: Bacteria grow on the surfaces of biomedia. it is important to understand surface area in terms of biomedia choice. You will save lots of money on your biofilter this way...

7.Bio-filters ... Importance of using right biomedia in fish pond filters: Biofiltration capacity in any system can be enormously increased by replacing traditional plastic tubes by more efficient biomedia. Alfagrog is such a biomedia...

8.Biofilters the normal gravity flow black box type: The box type filters with loose fitting lids are all gravity devices. In other words the water is pumped into the box but it flows out under gravity and not pressure...

9.How to select a pond biofilter the basics: How to select a pond biofilter. the basics. To specify an appropriate biofilter it is important to know the volume of water in a pond to say about 80% accuracy...

10.How a pond bio filter works and how you can use this information to improve your own bio filter: Compare the action within a working pond filter with what happens when you stir a cup of coffee.

11.How a pond bio filter works continued: Biofilter Principles ... In writing this section I would ask the more technically inclined to bear with me since I am writing to help the average pond-keeper and not the expert pond-keeper.

12.Japanese Matting Filter Media Ideal Biomedia For Vortex Pond Filters Article Directories Newsletters: The single biggest reason for the success of well designed vortex or other filters using Japanese matting is that large amounts of air pumped into the vortex biological chambers create highly significant turbulence .

13.What really matters about ponds and bio filters: If people try to convince you vortex filters are not highly effective you can be sure they do NOT really understand what is supposed to happen in a biofilter.

14.Why sand filters are bad to use in koi ponds: I strongly believe there is no place for a sand filter in a pond environment. They are also extremely costly to run. The following is an extract from the Aquaculture Dictionary to back up my personal views on sand filters.

15.Fluidized Bed Bead Bio Filters For Koi Ponds: Fluidised Bed (Bead Biofilters) are probably overkill in most small to medium garden ponds. This type of filter should be used for larger garden ponds and koi ponds requiring extra special filtration.

16.How to make and install a simple pond bio filter to ensure year round clean fish pond water: It can be very simple to make your own pond biofilter but at prices available from right outlets selling the correct type it is probably not worth the effort