FILTRA? Is not the proper koi pond maintenance is an integral part of an appropriate size pool. Your pond's filter must be of superior quality, which can ensure that it is right. Filter to remove? Amon trash? ACO, nitrates in the water and koi fish. If these things are not removed, the Koi fish Podr? You get very sick and die. We do not? Want that to happen! There are two stages FILTRA? No pond, and the mechanic Biol Nico? Gico. ? FILTRA? Not a mechanic nica trash fish traps in the filter. Do you need? Delete this garbage by hand. If not removed, the bacteria give? Bears Podr? Come back into the water and give? Ar your koi. ? Well-b? FILTRA to describe the music? Biol N? Ity to Amon? Aco and perilous nitrates and convert them into compounds that are not so perilous to fish for you. Once you have selected a pond filter, cerci? Rese that is a quality product that offers the best FILTRA? N. You need? considerations to take? The size? or pond, the water volume, number of fish you have now and the amount you plot to be in the future, and do you need? confident that the filter does not require? a lot of maintenance. Do not let the price is a factor m? S vital to define the qu? filter to buy. ? You'll regret? sure. In determining your needs FILTRA aggregates Koi? N est? Make sure that all the above factors? n.? If the filter satisfies all these requirements, you do fish live? M no life? S Long, M? S pleased.