For a new system, dose 4 oz (119 ml / ½ cup) per 5 US gallons (19 L). For established systems, use 2 oz (60 ml / ¼ cup) per 5 US gallons (19 L). For a large livestock system or systems with heavy bioload, new system dosage may be safely increased up to 10x.
Need help? Try our FritzZyme user guide!
- For best results, maintain ideal water parameters noted below and use FritzZyme® 9 before the expiration date on the package
- Nitrifying bacteria require ammonia and nitrite to survive; in new systems introduce livestock or another ammonia source like Fishless Fuel to start cycling
- Maintain adequate water flow or aeration
- Discontinue use of skimmer and UV sterilizers for at least 5 days after application
- No contraindications: can be used with all of our other products and meds
- Safe for use with all species, including plants and invertebrates
