Aleksandar
A filtration system is vital to the health of your fishes, especially in a Koi pond. Fish eat food and algae which in turn produce waste to the fish pond. The fish waste combines with decaying leaves and creates ammonia, which is toxic to the fish.
The filter plays a very important role in keeping the water clear, clean and healthy. It purifies the water using natural bacteria to break down harmful toxic fish waste and makes it safe to the fishes.
ABC Bio-FIltration SystemTM is a key element in keeping your fish pond healthy. The bio-filtration system is able to remove fish waste and debris at the same time keeping the algae under stable condition. Bio-filtration involves the cultivation of beneficial bacteria that helps to maintain a biological balance in your pond. It does not require any changing water or cleaning at all.
https://aurapond.com/abc-bio-filtration-system/
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