Step 2: Consider your fish load

Not all ponds are the same. 

A lightly stocked garden pond has very different requirements compared to a heavily stocked koi pond. 

As a general guide: 

  • Light stock > standard filtration system
  • Medium stock > upgraded filtration 
  • Heavy Koi stock > High Performance system 

Remember the first rule we are water keepers before we are Koi keepers.