Treat Costia in Koi Goldfish & Ponds | Proven Methods
Costia — scientifically known as Ichthyobodo necator — is one of the most aggressive protozoan parasites your koi or goldfish can face. Catch it early with the right treatment and your fish will recover. Leave it too long, and it can devastate an entire pond in a matter of days. This guide covers everything: what … Read more
