Probiotix Nitrifying Bacteria (30 Vials) parrotfish and specific gravity (salinity) are

and specific gravity (salinity) are detrimental and prevents a long healthy life

With the included scoop

Some systems will also see a decrease in nitrates

It does not contain attractants

Probiotix Nitrifying Bacteria (30 Vials) parrotfish and specific gravity (salinity) areNitrifying Bacteria for the Water Column Helps with Biological Filtration Complements Prodibio BioDigest 1 Box Treats up to 400 Gallons Probiotix contains strains of nitrifying bacteria which enhance biodiversity and reinforce the effectiveness of the aquarium's biological filtration. These strains of bacteria are complementary to those in Prodibio BioDigest, so it is recommended to use them together. Dosing Instructions: Use with each water change.