2-in-1 formula: Combines filter bacteria and waste decomposition – ideal for starting or reactivating biological filters. Reduces ammonia & nitrite: Biological conversion stabilises aquarium water quickly and safely. Prevents filter issues: Keeps filter media clean longer – supports stable biofilm and balanced cycle. Simple application: Add directly to the filter or filter material – safe for freshwater, marine & shrimp tanks. ARKA quality: Advanced bacterial technology for lasting filter stability – proven in aquaculture.
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