Achieve optimal nutrient uptake with pH Down solution, designed to safely lower pH levels in hydroponic systems.What's Included: 1 bottle of pH Down solution (8 oz / 237 ml)Essential for hydroponic systems AND beneficial for soil gardeningThis concentrated 8-ounce bottle ensures precise adjustments for both small and large water volumes, preventing alkaline issues and promoting healthy plant growth. A must-have for hydroponic gardeners seeking peak performance.Optimal pH levels are between 5.5 - 6.5 for hydroponics Concentrated formula: A little goes a long way - just a few drops per gallon Fast-acting: Quickly lowers pH to optimal levels Safe for plants: Gentle formula won't harm roots or foliage Easy to measure: Use with dropper for precise control Long shelf life: Stable formula lasts for years when stored properly When to Use pH Down: Water is too alkaline: pH reading above 6.5 Hard water areas: Tap water often has high pH Regular maintenance: Check and adjust pH weekly Perfect for: Chef's Organic Set, all hydroponic systems, and soil gardens. Works with our pH Test Indicator.