serabio nitrivec is a liquid filter media with a special mixture of different high quality purification bacteria for aquarium water. Sera bio nitrivec prevents the enrichment of ammonia and nitrite. When using Sera bio nitrivec fish can already be added after 24 hours.https://www.aquaristikshop.com/aquaristic/Sera-bio-nitrivec/387000/
- Alain W. wrote about Sera bio nitrivec in 2016:
The Bio Nitrivec is an amazing product ! Even after 3-4 days, the water of my 640L aquarium with big cichlids is not as clear as after water change, if i use the Bio Nitrivec in the evening, the water is cristal clear the next morning !
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