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General Hydroponics pH Down solves the long-standing dilemma of rising pH levels in your indoor hydroponics environment. This is a scientifically proven acidic formulation that helps regulate pH to keep your system's pH levels optimized for plant health. Made with food-grade phosphoric acid that promotes hydroponic pH stability reliably and consistently from week to week and crop to crop.
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🇺🇸 Ship from USA · On Agora since 2026
$8.95