Simply Koi and More Koi

Hi, I have just built a new pond and have changed from pump fed to bottom drain/gravity fed - which is brilliant. My question is simply is there an easy way to automatically maintain the water level in the pond by using some sort of ball valve system? There isn't room to put one in the filter so I w...

Hi Carl, the pond will be 8ft x 8ft x 4ft approx which is why I went for that size of filter, according to the spec it should be OK. (and budget of course). The filter material is as in the pik, ie this is what it came with. I must admit it doesn't seem too brilliant a fit and had thought i might ch...

I am new to pure koi ponds having had 'natural' ponds for many years and am currently constructing an new one. I have bought an Oasis Vor_Tec 16000 filter. I have been reading about the benefits of an air pump in a fliter and would simply like some advice as to how to do this. The filter has 3 filte...