Is rhodospirillum rubrum beneficial to koi ponds?

Rhodospirillum rubrum is a photosynthetic purple non-sulfur bacterium that can be beneficial to koi ponds. It helps in breaking down organic matter and improving water quality by reducing harmful compounds like ammonia and nitrate. Additionally, its presence can enhance nutrient cycling and promote a healthier ecosystem, potentially benefiting the koi and other aquatic life. However, it's important to maintain balanced microbial populations to avoid any negative effects.