Medaka PSB

Living Photo Synthetic Bacteria.

PSB bacteria occur naturally in the Japanese rice fields where the Medaka comes from. PSB bacteria break down organic pollution, creating healthy water in which the Medaka feels at home.

Dosage:
1 ml per 5 liters of water; use Medaka PSB weekly for best results. The cap holds 10 ml. Shake well before use. The strong smell of PSB is normal. Use PSB within 6 months after opening.