Can Foam On The Pond Harm My Koi?

Yes, Foam in koi ponds can be harmful to the health of your koi It may lead to reduced oxygen levels in the water, making it difficult for the fish to breathe. Additionally, foam can increase harmful substances such as ammonia and nitrite, which can be toxic to the fish. It is essential to address the sources of foam in your pond to maintain good water quality and ensure the fish remain healthy.