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🌟 Transform your tank from day one — because your fish deserve the best start!
Starter Bacteria Aquarium 236 ml by ARKA delivers a fast-acting, professional-grade bacterial culture that jumpstarts biological filtration, rapidly reducing toxic nitrites and ammonia. Suitable for freshwater, marine, and shrimp tanks, this easy-to-use liquid formula ensures stable water conditions from day one, shortening tank cycling and safeguarding fish health with trusted biotechnology.











| ASIN | B005A3XA4A |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | 3,664 in Pet Supplies ( See Top 100 in Pet Supplies ) 36 in Aquarium Water Treatments |
| Brand | ARKA |
| Brand Name | ARKA |
| Country Of Origin | USA |
| Customer Reviews | 4.6 out of 5 stars 2,707 Reviews |
| EU Spare Part Availability Duration | 2 Years |
| Global Trade Identification Number | 00097121211194 |
| Included Components | 1x Nite-Out II 236 ml |
| Item Form | Liquid |
| Item Type Name | NITEH08US |
| Item Weight | 0.28 Kilograms |
| Item form | Liquid |
| Item weight | 0.28 Kilograms |
| Liquid Volume | 236 Millilitres |
| Liquid volume | 236 Millilitres |
| Manufacturer | MICROBE-LIFT |
| Manufacturer Part Number | NITEH08US |
| Model Number | NITEH08US |
| Number of Items | 1 |
| Pet Type | Fish |
| Product Warranty | 12 |
| Target Species | Fish |
| UPC | 097121211194 |
| Unit Count | 236.0 millilitre |
| Unit count | 236.0 millilitre |
D**B
Life saver!
Had a well established nano brackish Opae shrimp tank that got badly contaminated by a rogue clump of seaweed popped in by a well meaning friend's little girl. No amount of partial water changes could clear the think stringy brown mess in the tank so grabbed some of this and just had to start afresh. Opaes are hardy l know, but even so, cycling a tank from scratch with them in worried me sick. Needn't have stressed out - this stuff is a life saving miracle! Yes it does pong a bit, and it has to be kept in the fridge, but its kept all parameters safe, water is clear and my shrimps are cherry red and happy bunnies again. Really impressive stuff!!
I**I
Better than almost all mainstream alternatives
I have tried other bottled 'bacteria' from Seachem, Tetra, API and this one is superior in results. Compared to other alternatives on the market, I think it has cultures of the right bacteria (Nitrosomonas, Nitrospira and Nitrobacter) compared to other market alternatives that usually have heterotrophs or anaerobes. In my case, it dropped nitrites to near zero in under 30 hours. PROS: - Works under 24 hours in emergencies - No bloom/cloudy water CONS: - More expensive than others - Opened bottle needs to be put in your fridge
N**H
Starter bacteria for aquarium s
Item is ok
V**A
Good value for money
This item helped me to set up new aquarium, also use this every time when changing water to keep my fish healthy.
S**S
It works !
Tldr. If it stinks, you haven't shaken it up enough. It works. It cycled my 25l tank fully in a week with 20% water changes everyday when I got home from work. I inherited fish so had to put them in on day one. 9 harlequin, 4 amano shrimp and 3 oto. I just used the tetra test strip for ease of testing. Nitrites and nitrates were at 0 on day 8. Once opened keep it in the fridge. Made the water a bit cloudy but don't worry about it as that cleared up a couple of days after I stopped using it. All fish are feeding well and the harlequin were even showing breeding behaviour after day 4.
J**S
Expensive liquid.
Not good would not buy again. Water didn’t look any different. Very watery, expected it too be thicker. Very expensive for something that doesn’t work.
K**L
Good
Good
J**O
Good product.
Works well on new tanks and when changing water to get rid of HIGH nite.
G**A
Attivatore biologico ok
Ottimo prodotto ad un buon prezzo
S**B
Magique
Pour le contexte : Mon bac cyclé depuis plusieurs années a eu une panne de filtration. Une bonne partie de mes bactéries du filtre sont morte à ce moment là. Résultat : gros pic de nitrites avec intoxication de mes tetraodons nains ( ils y sont ultra sensibles ). Mes 4 poissons étaient au sol à l'agonie. En urgence j'ai placé un bulleur et gros changement d'eau sur deux jours ( le temps de recevoir l'article ( car je suis un peu loin de tout ). 10ml direct dans la canne d'aspiration dès réception Contrôle des nitrites encore hauts. Donc renouvèlement encore de 20% de l'eau du bac. Et de nouveau 10ml dans la foulée. Avec encore la pompe a air. Je rentre ce midi : mes 4 tetraodons nagent normalement ( ils sont encore faibles mais ne sont clairement plus au sol ). Le spécial blend de la marque, m'apportait déjà toute satisfaction. Il est donc tout a fait normal que le nitout soit désormais dans mon meuble. Franchement ! Merci !
D**E
Te bakterie wchodzą do akwarium jak ekipa ratunkowa od wodnych dramatów
Nite-Out II pomaga akwarium szybciej stanąć na biologiczne nogi. Woda stabilniejsza, rybki mniej zestresowane, a człowiek nie patrzy co godzinę, czy już nadciąga katastrofa ekologiczna 😄 Zalety: • Pomaga szybciej ustabilizować akwarium • Nadaje się do słodkiej i morskiej • Łatwe dozowanie bez chemicznych czarów Wady: • Efekty wymagają kilku dni cierpliwości • Przy dużym zbiorniku szybko ubywa • Zapach mówi: „tu żyją bakterie” 😄
A**O
nice deal
Zoals verwacht
M**A
Excelente producto, pero el sellado necesita mejorar
Compro este producto aproximadamente cada dos semanas porque me da muy buenos resultados en mis acuarios. Cuando llega correctamente, me parece una de las mejores bacterias que he utilizado. Sin embargo, ya es la segunda vez que tengo que devolver un bote por el mismo motivo. El precinto exterior llega intacto, pero al desenroscar el tapón el sello de aluminio no está soldado al envase, sino pegado al interior del tapón. En cambio, otros productos de la misma marca, como el Sustrate Cleaner, sí llegan perfectamente sellados y hay que retirar el aluminio manualmente. Al tratarse de un producto con bacterias vivas, esta diferencia me hace dudar de si el envase ha mantenido las condiciones adecuadas. He grabado un vídeo desde el momento de abrir el paquete donde se aprecia claramente el problema. No pongo en duda la calidad del producto, porque cuando llega correctamente funciona de maravilla. Lo que sí pediría al fabricante es una explicación y un mejor control del sellado, para que el cliente pueda comprar con total confianza.
Trustpilot
1 month ago
5 days ago