Photosynthetic Bacteria (PSB) for Medaka

Photosynthetic Bacteria (PSB) are a fascinating type of microorganisms. They convert light into chemical energy using pigments such as bacteriochlorophyll. Unlike plant-based photosynthesis, PSBs do not release oxygen and do not need water as an electron donor.

These microorganisms live in places like soil, lakes, and aquariums. They are among the oldest life forms on Earth. According to recent research, PSBs can use compounds like sulfur and hydrogen to process carbon dioxide. Their ability to survive in tough conditions makes them useful in many environments.

Types of PSB

• Chlorobiaceae: Green sulfur bacteria that use sulfides as electron donors.
• Chromatiaceae: Purple sulfur bacteria that thrive in anaerobic, sulfur-rich conditions.
• Rhodospirillaceae: Purple non-sulfur bacteria, rod-shaped, adaptive to various environments.
• Chloroflexaceae: Green non-sulfur bacteria with flexible metabolism.

Benefits of PSB for Medaka and Aquariums

Adding PSB to your medaka tub can bring many benefits. These include ammonia reduction, better water clarity, and stronger microbial balance. In addition, PSBs can help other bacteria like Bacillus thrive—especially during early tank setup or when fish waste builds up.

Applications Beyond Aquariums

PSBs are used in many fields:

• They reduce odors in animal farms
• They treat wastewater in different industries
• They improve soil quality and boost crop production
• They capture carbon dioxide and lower greenhouse gases

Moreover, PSBs can produce useful compounds. These include Coenzyme Q10, carotenoids, polyphosphates, and PHB. These substances are valuable in medicine, beauty products, and agriculture.

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