|A crystal water 12 months a year and without changing water !|
|Principle by sédimentation,,|
The natural bacterias settle on sediments and puzzolana. They degrade the elements which will be a part integral sediments, supplementary contribution of bacteria maintain nitrites in 0.
|FOR 4 YEARS WE HAVEN'T CHANGE THE WATER OF OUR POND.|
ON THE OTHER HAND WE ADD OCCUPANTS.
Filtration studied and prepared to measure for your pond,
A clear water all year long,
The abolition of the stenches.