Athena Nutrients Athena Nutrients is about growing consistent high-grade cannabis at a low cost per mixed gallon. Our Blended line has been extensively tested to perfect a balanced, reliable, and cost-effective fertilizer program. Oxidation reduction potential (ORP) is one of the most overlooked factors influencing crop management in hydroponics. Terms such as pH, TDS and EC are comparable acronyms that are ubiquitous within the industry, with countless products available to monitor and influence their levels. But what exactly is ORP? And how can you use it to your advantage in simple, ...