The Zen Products Enlighten Up pH Up solution is a concentrated liquid formula designed to raise the pH levels in hydroponic and soil-based gardening systems. Packaged in a 0.25 gallon bottle, this pH adjuster is formulated with Potassium Hydroxide and Potassium Silica to provide the necessary nutrients for foliage, garden, medicinal, and all-purpose plants. Manufactured in the United States, this mineral-based solution is suitable for maintaining optimal pH levels for healthy plant growth.