Dr Tank Bio Bacteria Balls

These bio bacteria balls by Dr Tank contains over 100 different kinds of micro organisms in a dormant state. These bacteria balls are used to accelerate the growth and promotion of beneficial bacteria to kick start a new aquarium. A minimum of 2 balls per 50 litres should be applied and embedded into the bottom of the aquarium substrate on the first week. Followed by another the next week or when and as needed. The bio bacteria ball will disintegrate over time and allow for bacteria to grow on the substrate allowing you to add fishes into your aquascape in no time.