Pengaruh Substrat Filter Yang Berbeda Terhadap Pertumbuhan Dan Kelulushidupan…

Koi fish is a very common decorative fish comodity in Indonesia because of its beautiful color and the high pricing. Koi fish culture were commonly facing problem becuse of its slow growth and its high sensitivity on water quality, therefore a precaution to prevent it was done by using filtration system. Filtration system is a filtering process to remove dense particle and chemical substance in…