Tadpoles in the prefilter

Biological water treatment and high "survival rate" of tadpoles in prefilter.
  Film 1    
       
    Pond cleaning with triangle brush
(Film 2 + 3)

Removal of the sediments with the triangle brush and the Jet Filter.
The cleaned water is recycled directly back.
Pay attention to the clear water during the cleaning process - no clouding due to jet filter removing even the fine particles.

  Film 2 short version    
       
 

 

 

  Film 3 long version