Brightwell Aquatics Launches MicroBacter Purple – Unlock the Power of PNS Bacteria! Brightwell Aquatics is thrilled to introduce MicroBacter Purple , the latest in biological filtration and nutrient management! This powerful new addition to the MicroBacter line harnesses the benefits of Purple Non-Sulfur Bacteria (PNS Bacteria) to enhance nutrient cycling, improve water clarity, deliver a natural food source for corals and support a thriving aquatic ecosystem in reef, marine, and freshwater aquariums . Why MicroBacter Purple? Live Beneficial Bacteria – A diverse, shelf-stable blend of photosynthetic bacteria that works in synergy with MicroBacter 7 and MicroBacter Clean for superior waste breakdown and microbial balance. Dual Aerobic & Anaerobic Function – Optimized for deep sand beds, refugiums, media reactors, and main displays , supporting both denitrification and oxygen-based biological processes. Advanced Nutrient Control – Reduces detritus, excess nutrients, and organic waste, helping maintain a clean, stable aquarium environment. Natural Food for Corals & Inverts – Provides a nutrient-rich food source for corals, sponges, and filter-feeding invertebrates, promoting vibrant coloration and healthy growth .