Bio Pronto Marine - Rapid Cycling Culture 500ml**

Establish or maintain a healthy and active biological filter in marine aquariums with Two Little Fishies BioPronto Marine.
BioPronto Marine contains cultured, naturally occurring microbes that rapidly start the biological filtration process. Use it to start the nitrification cycle in new aquariums or to enhance nitrification and denitrification in heavily stocked aquariums.
Two Little Fishies BioPronto Marine rapidly dissimilates toxic ammonia to improve aquarium water quality. 

Sizes: 250mL & 500mL

Directions:

Shake well. Add to a strong current stream for rapid distribution in the water. Turn off UV sterilizer and protein skimmer for 3 hours after dosing.

Startup dosing: 25mL per 38L (100 gallons)

Maintenance Dosing: 5mL per 95L (25 gallons) twice per month.

*The entire contents of a 500 ml BioPronto Marine treats 200 gallons for startup dosing and 660 gallons for maintenance*