Slow Tissue Necrosis (STN) and Rapid Tissue Necrosis (RTN) are two problems no reefer wants to experience with their coral. STN and RTN are generalized terms based on the clear visual symptom of loss...
Keeping a reef tank is one of those rewarding experiences. Its also one of those experiences that also come with its fair share of frustration, with the major one being the introduction of parasitic...
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