Hydroponic Nutrient Solution Lab TestYour stock tank recipe looks right on paper — but is it actually delivering what your crops need? The Hydroponic Nutrient Solution Lab Test gives you a definitive answer. By submitting a sample of your fertilizer solution, you get a comprehensive professional analysis that confirms your injector systems are dialed in and your nutrient delivery is on target.What This Test CoversA full screening of all key elements in your fertilizer solution: pH, alkalinity, and soluble salts Total nitrogen (nitrate-N, ammoniacal-N) Phosphorus, potassium, calcium, magnesium, sulfur Micronutrients: boron, copper, iron, manganese, molybdenum, zinc Sodium, chloride, fluoride, aluminum What You Get Verifies your stock tank recipe is correct and consistent Confirms fertilizer and acid injection systems are operating at peak efficiency Determines optimal stock tank mixture ratios Evaluates effectiveness of filters and R/O systems Identifies needed corrections before they impact crop performance How It Works Purchase this test — we ship you a sample collection kit with a pre-addressed 2-day Priority Mail package Submit a sample of your hydroponic or fertilizer solution directly to the ICL lab Receive your results by email