Too much green algae and moss, the water is too green and dirty, what is the effective way?

Koi pond water quality becomes green, too much moss, is too common phenomenon, this situation, the general situation is that friends did not install the fish pond filter or fish pond filtration equipment or installation of the fish pond filter is too simple and small, not enough to deal with the strength of the cause; the solution is to choose to deal with the ability to be strong enough to sterilize the ability of the manufacturers of the brand, so that there is a guarantee, specifically consult the German Ollie technical customer service, we will be for you! We will provide you with a set of tailor-made water treatment program.