Aquarium bacteria 236 ml biological nitrate remover & waste cleaner improves water clarity odour control for medium aquariums ARKA Special Blend

Natural cleaning formula: Breaks down organic waste & reduces nitrate biologically – keeps medium aquariums clear and healthy. Odour elimination: Removes unpleasant smells from waste build-up – stabilises biological filter function. Supports ecosystem balance: Encourages beneficial bacteria growth – improves oxygen levels & clarity. Precise dosing: Start 25 ml / 100 L, weeks 2-4 15 ml / 100 L, then 7.5 ml / 100 L every 14 days – safe for fish, shrimp & plants. ARKA quality: Premium biotechnology for safe and natural water balance – trusted by professionals.