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About ISN - International Superior Nutrients specialises in high quality hydroponic nutrients. ISN is manufactured in South Australia with British pharmaceutical grade ingredients. Their in-house chemical engineers are constantly refining their products to ensure they deliver the highest quality results. ISN have a comprehensive range of plant nutrients for all stages of plant growth. 

ISN Fulvic Max - ISN Fulvic Max is another NASAA organically certified product which ensures an efficient nutrient intake creating long chain compounds within the plant. ISN Fulvic Max helps maximise nutrient intake which will naturally results in a higher quality outcome.