Tanaya FY, Kisworo, Prihatmo G. Combination of Zeolite, Charcoal and Water Spinach as Integrated Filters to Reduce Ammonia Level in Aquaponic System. Scita. [Internet]. 2021 Mar. 29 [cited 2024 Apr. 19];2(1):7-15. Available from: https://sciscitatio.ukdw.ac.id/index.php/sciscitatio/article/view/42