1 tea bag of each to use to help cycle your shrimp tank using vins methods. Simply place in tank, hanger included.
I wish I knew why these works so well. All I know is that they do. I noticed an increase in biofilm after I started using them. And if you put them in a tank with shrimp, it's like a magnet - the shrimp are all over it!
Here is the best germ package for you! I keep the "best" IMO shrimps thus I believe in GREAT PRODUCT producing GREAT Results!