Plant for Ranchu Goldfish tank - Perfect plant for Goldfish breeding

For a long time I have been struggling to find a plant perfect for breeding and decorating Ranchu Goldfish tanks. After numerous trial and error with various plants, I finally managed to grow and multiply these plants in abundance in the presence of goldfish. Every two weeks I harvest these plants by cutting them up and making new bunches for a different tank. These plants grows almost half an inch to an inch per day. They are perfect for breeding and decorating thanks for notorious goldfish that ar