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Journal : Indonesian Green Technology Journal

Natural-Based Sustainable Filter Media for Ammonia and TSS Removal in Small-Scale Aquaculture Pramudia, Zulkisam; Kurniawan, Andi; Anjasmara, Aang Setyawan; Anugerah, Putri; Moehammad, Khibar Syiar
Indonesian Green Technology Journal Vol. 14 No. 2 (2025)
Publisher : Sekolah Pascasarjana, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.igtj.2025.014.02.04

Abstract

Water quality degradation remains a critical challenge in small-scale aquaculture, particularly due to the accumulation of suspended solids and ammonia from feed waste and metabolic excretion. This study aimed to evaluate the efficiency of a simple, eco-friendly filtration system using natural materials—sand, zeolite, pumice, and coconut fiber—in removing Total Suspended Solids (TSS) and ammonia (NH?–N). Four treatments were tested over a five-day period: P1 (sand and zeolite), P2 (pumice and coconut fiber), P3 (all four materials), and a control (no filter media). Each unit was constructed using low-cost containers and operated under continuous flow conditions. Results showed that P3 consistently achieved the highest removal efficiency, reducing TSS by 82.5% and ammonia by 83.3%. ANOVA and Tukey HSD tests confirmed significant differences (p < 0.05) among treatments. The combination of mechanical, chemical, and bioactive media in P3 enhanced both physical filtration and nitrogen removal. These findings support the application of natural-based filter media as a sustainable, low-cost solution for improving water quality in decentralized aquaculture systems, especially in resource-limited settings