Instant Ocean BIO-Spira Live Nitrifying Bacteria for Aquariums, 3.38-oz bottle

By Instant Ocean
Rated 4 out of 5 stars
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$13.29Chewy Price
$12.63Autoship Price
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About This Item

  • Immediately helps prevent new tank syndrome that results in the loss of fish soon after setting up a new aquarium
  • This fast-acting water conditioner contains a patented mix of live nitrifying bacteria that’s been proven to reduce dangerous ammonia and reduce nitrate levels
  • Perfect for new saltwater aquarium setup and shelf stable formula requires no refrigeration
  • Formula speeds up process to make marine aquariums instantly safe for fish
  • Can also be used after a water change, when adding new fish or after medicating
Play Video: Learn More About Instant Ocean From Our Team of Experts
Learn More About Instant Ocean From Our Team of Experts

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Aquarium TypeSaltwaterSaltwaterSaltwaterFreshwater, SaltwaterFreshwater, Saltwater
Top Ingredients100% Live Nitrifying Bacteria100% Live Nitrifying Bacteria
Fish TypeMarine Fish, Marine InvertebrateMarine Fish, Marine InvertebrateTropical Freshwater, Betta, Cichlid...Tropical Freshwater, Marine Fish

Questions & Answers

3 Customer Questions


This should make a new tank ‘instantly’ fish safe? Or will it actually take a few days to cycle first?
Answer by ChewyApr 09, 2018
Once you have added this, you do not have to wait to put your fish in the tank.

Does this work for a freshwater aquarium?
Answer by ChewyAug 07, 2018
This product is intended for saltwater aquariums.

Hello. I bought this bottle and put it in the first day I set up the tank. But I forgot to turn the skimmer off (website said to, but didn’t see that until today). Because I didn’t turn it off, would it has damaged it?
Answer by ChewyApr 25, 2018
Pouring this product near the skimmer could pose a problem; however, if this was poured away from the skimmer and the bacteria had time to settle, it will be fine.

ReviewsWrite a Review

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Rated 4 out of 5 stars
2 Reviews
50%
Would recommend to a friend
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2 Customer Reviews



Rated 3 out of 5 stars
By ReefinInFlorida on May 3, 2022

Does not seem very effective.

I've cycled many tanks over the years. Had never used this product, so thought I would give it a try. I won't tell you that it's bad, but it has not been very effective for my purposes. Even with well cycled bio-media transferred from an established set up this has not had a noticable difference. Daily tests with API Master Kits shows it's working, but very slowly. More than a week in already with minimal changes.


Rated 5 out of 5 stars
By pedalaway75 on Apr 2, 2022

Fully cycled my saltwater tank within a week

Love this. It fully cycled my saltwater tank within a week, converting ammonia and nitrites, to ultimately nitrates. Am buying more for water changes and emergencies.