Jumpstart the biological filtration process with cultured, naturally occurring microbes. Two Little Fishies BioPronto Freshwater rapidly establishes a healthy and active biological filter in freshwater aquariums. Use it to start the nitrification cycle in new setups or in established or heavily stocked aquariums for enhanced nitrification and denitrification. Two Little Fishies BioPronto Freshwater rapidly dissimilates toxic ammonia to improve aquarium water quality.
The entire content of 125 ml BioPronto Freshwater treats 50 gallons for startup dosing and 625 gallons for maintenance.
Shop all Aquarium Bacterial Additives.
Please click "More Information" for the benefits of bacterial additives.