Watercress is often touted as one of the most nutrient-dense foods you can eat. It is rich in vitamins A, C, and K, as well as minerals such as calcium, iron, and magnesium

Koi Clay also helps to clarify pond water. Koi clay acts as a natural flocculent, causing suspended particles that cloud pond water to be bound up and eventually filtered out of the pond, resulting in a ‘polished’ clear pond.