Complete biological care: Breaks down waste & organic matter naturally – keeps water clear and fresh for all aquariums. Reduces nitrate & nitrite: Prevents toxic build-up – supports a stable aquarium ecosystem. Odour control & balance: Neutralises smells caused by organic decay – improves oxygen exchange & filtration. Easy dosing: Start 25 ml / 100 L, weeks 2-4 15 ml / 100 L, then 7.5 ml / 100 L every 14 days – no refrigeration needed. ARKA quality: Premium biotechnology for safe and natural water balance – trusted by professionals.
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