How do pond treatments work – and how to use them. Ever since Adam and Eve sinned in the Garden [...]

Water management is the key to success in koi keeping.

The objective of carrying out a partial water change is to maintain a stable, quality pond environment for your koi.

Blanket weed (also referred to as string-algae) is a collective term given to a number of very similar algae that both look and behave identically.

Nothing is more frustrating to a pond keeper than nuisance algae, and from your description, it sounds as though your current algae problem is proving to be just that - a real nuisance.

It is fair to say, that blanketweed is the scourge of the koi pond.