General Hydroponics®, pH 7.01 Calibration Solution, Standard Reference Solution for Calibration of pH Meters and Electrode Storage (8 oz.)

With over four decades of groundbreaking innovation, General Hydroponics has reshaped the way plants are grown worldwide. From humble garage beginnings to global acclaim, their journey epitomizes the relentless pursuit of excellence in hydroponics. Dive into our collection of General Hydroponics products and join the adventure of cultivating extraordinary yields, fueled by passion and innovation. Elevate your growing experience with the trusted brand that's redefining the possibilities of hydroponic cultivation.