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The Ottocat System: a Living Journal of Breeding, Balance, and Biofilm: How to Build, Maintain, and Experiment With a Natural Planted Ecosystem for Otocinclus Catfish
The Ottocat System: a step-by-step, experiment-driven guide to building self-sustaining planted tanks for Otocinclus catfish—biofilm production, breeding, fry care, and classroom-ready lessons for hobbyists and educators.$0.00$6.88

