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 Supreme grow - ISN have designed their Grow A and B to have a range of essential nutrients. These nutrients include: high nitrogen levels (for accelerated root development), phosphorus, potassium and a full spectrum of micronutrients. Furthermore, their Supreme Grow is enriched with certified organic fulvic acid and British pharmaceutical grade Vitamin B1.
Available in 1L, 5L or 20L sets