Tetra SafeStart Plus Concentrated Freshwater Aquarium Bacteria

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Help provide your new finned friends with a healthy home by using Tetra SafeStart Plus Concentrated Freshwater Aquarium Bacteria! This solution is designed to help reduce ammonia and nitrate levels in newly set-up fish aquariums, so your new scaly sidekicks can have a safer start. The concentrated formula contains live bacteria that can help speed up the cycling process, meaning it can help a new filtration system grow healthy bacteria faster. When this happens, it can help remove dangerous toxins, ultimately creating a safer environment for your underwater buddies!

Key Benefits
  • Helps speed up the growth of healthy bacteria on newly set-up freshwater aquarium filtration systems.
  • Helps reduce potentially dangerous toxins like ammonia and nitrate.
  • Designed to start working quickly to encourage a healthy environment for new fish.
  • Can be used when setting up a new aquarium, adding new fish, after medication or after a water or filter change.
  • Concentrated solution formulated for all freshwater aquariums.

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  • Item Number
  • Fish Type
    Tropical Freshwater

Purified Water, Proprietary Consortium Of Nitrifying Bacteria, including various strains of Nitrosomonas and Nitrospira.


Shake well. To start new aquariums, add entire bottle for up to 20 gallons. Aquarium is then ready for fish. Consult your retailer for advice on type and number of fish appropriate for your sized aquarium.

For healthy maintenance, add one teaspoon for every 10 gallons when adding fish, after water changes or after replacing filter media.

Note: Live bacteria. Do not freeze or expose to heat.

Rating: 4.5 of 5 stars 2 Reviews 2 Reviews 4.5 out of 5 Stars

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Rating: 4.5 of 5 stars 4.5 / 5

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  • 4 out of 5 stars

    SafeStart Plus Concentrated Works

    By on

    Cycled my 135g aquarium with this product and Dr Tim’s ammonia. Very good source of bacteria. Gave 4 stars because it only comes in small bottles had to buy 4.

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  • 5 out of 5 stars

    Great Stuff!!!

    By on

    This is great stuff. I use it when I start a fish tank. I was excited to see Chewy stocking it. BUT when I went back to buy more they were sold out. I hope they get some more!!

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