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One pint each of pH Up (alkaline) and ph Down (acid) hydroponic buffer solutions. Use these products to control the pH of your hydroponic nutrient solutions. An ideal target is 6.0-6.3 pH for most plants.
Kit contains both pH up (acid) and pH down (alkaline) buffers
All food grade ingredients suitable for any hydroponic system
Both are high strength concentrates - a little goes a long ways