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PNS Deep Cycle Live Bacteria PNS Deep Cycle is a live bacterial supplement containing naturally occurring Purple Non-Sulfur (PNS) bacteria specific...

PNS Home Gro PNS HomeGro is a live culture of Purple Non-Sulfur (PNS) bacteria designed to improve water quality, strengthen biological filtration,...

PNS Probio Live Bacteria PNS Probio is a live, concentrated culture of Purple Non-Sulfur (PNS) bacteria designed to improve water quality, support ...

Important Shipping Notice: PNS Yellow Sno is a live, refrigerated product that requires cold storage to maintain its quality and effectiveness. Fo...