Aquarium bacteria 118 ml biological water conditioner for nano & small aquariums reduces nitrate organic waste improves clarity odour control ARKA Special Blend

Biological water care: Breaks down organic waste & nitrate naturally – ideal for nano & small aquariums – creates stable biological balance. Crystal-clear & fresh: Eliminates odours and waste build-up – keeps water clear & healthy for fish & plants. Supports natural filtering: Boosts beneficial bacteria & oxygen exchange – long-term clarity without chemicals. Accurate dosing: Start 25 ml / 100 L, weeks 2-4 15 ml / 100 L, then 7.5 ml / 100 L every 14 days – safe for freshwater & marine aquariums. ARKA quality: Premium biotechnology for safe and natural water balance – trusted by professionals.