Bio-Grow is a liquid plant food that promotes lush growth and is suitable for most all soil mixtures. It is a fertilizer and soil activator that can be used with drip irrigation systems. Bio-Grow can be used late in flowering as a plant tonic. APPLICATION Complete liquid plant nutrient. To be used during the whole cycle (vegetative and flowering period) of the plant. DOSE 2 – 4 ml per Litre water. Use with every watering.