FritzZyme 7 – Live Nitrifying Bacteria (32 oz / Treats up to 320 gal)

Description: FritzZyme 7 contains live, freshwater-specific strains of nitrifying bacteria proven to rapidly reduce toxic ammonia and nitrite levels. Ideal for seeding biofilters in new tanks or reinforcing established systems after maintenance, livestock additions, or medications, this product helps prevent "new tank syndrome" and supports safer, healthier aquariums.

Key Features

• Live freshwater-specific nitrifying bacteria for rapid cycling 
• Buffers and remains stable at room temperature—no fridge needed, shelf life up to 18 months 
• Safe for fish, invertebrates, and plants; use during water changes, after cleaning, medicating, or filter changes 
• Does not cloud or color water and has no contraindications with other treatments 

Directions & Dosage

• New Tank Setup: 4 oz (120 mL or ½ cup) per 10 gallons (38 L)
• Established Aquariums: 1 oz (30 mL or ¼ cup) per 10 gallons
• For heavy bioload or larger systems, new tank dosage may be increased up to 10x safely

FAQ

Q: Should I pre-treat water before adding FritzZyme 7?
A: Yes—ensure all chlorine or chloramines are removed before use.

Q: What if the bottle smells or looks odd?
A: Variations in odor or color are normal and don’t affect its efficacy.

Q: Does it work immediately?
A: Yes—this product significantly reduces cycle times, enabling faster safe livestock additions.

Q: How long does one bottle last?
A: The 32 oz bottle treats up to 320 gallons. Lower amounts can treat proportionally less.