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This is a live bacteria that can be added to a newly established aquarium to speed up the cycling time. This isn't a magical cure all, but will speed up cycling time and water parameters should be monitored during. This 16oz bottle will treat 80 gallons of water for one dose initially. And 160 gallons for an established aquarium that just needs a boost in bacteria.

Directions & Dosage

For new systems, dose 4oz (½ cup) per 10 US gallons. For a large livestock system, new system dosage may be safely increased up to 10x.
For established systems after bacterial loss, use 2 oz (¼ cup) per 10 US gallons.

NOTE: Live product. Do not freeze or overheat. Store in a cool, dark place. Use before expiration date.

Fritz Zyme 7 Live Bacteria (Freshwater)

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This is a live bacteria that can be added to a newly established aquarium to speed up the cycling time. This isn't a magical cure all, but will speed up cycling time and water parameters should be monitored during. This 16oz bottle will treat 80 gallons of water for one dose initially. And 160 gallons for an established aquarium that just needs a boost in bacteria.

Directions & Dosage

For new systems, dose 4oz (½ cup) per 10 US gallons. For a large livestock system, new system dosage may be safely increased up to 10x.
For established systems after bacterial loss, use 2 oz (¼ cup) per 10 US gallons.

NOTE: Live product. Do not freeze or overheat. Store in a cool, dark place. Use before expiration date.

Customer Reviews

Based on 19 reviews
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G
G.G.
Fritz Zyme 7

Seems to work well. I’ve used it in the last 3 tanks I set up and I haven’t had problems.

R
R.Y.
WORKS!

I am actually floored at how well this works. I watched a new tank go from 1ppm ammonia to 0 in two days. This caused a visible bacterial bloom within 8 hours and it cleared in two days! I’m kinda impressed.

A
A.
Works just as expected!

Dosed as directed for a 30 gallon and then again after a large water change two weeks later. Had a small bacteria bloom but it resolved in a few days. Just proved it's growing live bacteria! Fish are doing great and my water parameters are on point. I highly recommend this product for new tanks.

W
W.K.
It works!

Got my 55 gallon cycled with this. Definitely recommend if you need to add bacteria!

M
M.F.
Works well for me

I don’t know how well this stuff works. All I know is I add it after any filter maintenance and whenever adding livestock and I’ve had no issues.