Superfish Koi Flow bacteria such as chlorine

such as chlorine

Also when having water changes the use of Fish Protect is recommended

(1100 Gallons)

However overstocked ponds or those with water quality problems may need 15-20 grams per 1

Superfish Koi Flow bacteria such as chlorinePond air pump for Koi and large ponds. Available in three different sizes with an output ranging from 20 to 60 litres of air per minute at a low energy consumption. The rugged construction of the air pump ensures that the pump produces little noise and has a long lifespan. High air output using minimum power consumption. Low noise and long life. Includes spare diaphragm. 2 year warranty.