NutriHydro pH Adjuster Up | Down | Phosphorus | Nitrogen 200ml & 500mlNutriHydro pH Adjuster UP & DOWN By Plant Culture PH pH is important and a vital element to succeed in growing plants. An imbalanced pH leads to unhealthy and in extreme cases, failure of crops. Why is pH important to crops? Plants absorb major and micro nutrients at a certain pH range. This range varies from crop to crop. In vegetation, if pH is imbalanced, it causes nutrient deficiencies either in major nutrients or in micro nutrients. Symptoms of