In Some nations around the world, koi have prompted a lot harm to waterways that huge amounts of income and energy are actually invested wanting to eradicate them, mostly unsuccessfully.[sixty nine] Quarantine: Quarantine new Koi in advance of introducing them to the principle pond to forestall the spread of health https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah