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Designed to achieve an optimal plant-friendly pH of 6
it ensures optimal potassium and iron absorption
Calibration Solution Nutradip EC / ppm
Completing the Holland Secret 3-part nutrient system
DOSALINE BASE stands out with its unique formulation
Holland Secret Grow - (2-1-7) Mid Flower Designed to achieve an optimalProduct Description Part of a trusted line since 1996, Holland Secret Grow is key during your plants' vegetative phase. This formula specifically targets leaf and stem development, ensuring lush, vibrant growth. It's a straightforward solution for gardeners looking to give their plants exactly what they need, when they need it. Use it alongside Holland Secret Micro, and as your plants prepare to flower, transition to Holland Secret Bloom. This long
