ISN Seaweed

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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 Seaweed - ISN’s NASAA organically certified product is a mix of North Atlantic and Pacific Ocean marine plants. ISN seaweed is one of the few products in the world that has a cold pressed refinement process which provides a rich source of natural enzymes, minerals, hormones, soluble carbon, sugars, organic vitamins, minerals and over 65 natural amino acids to your plant.