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pH 4.01 Calibration Solution
General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the…
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pH 7.01 Calibration Solution
General Hydroponics uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the…
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pH Test Kit
The General Hydroponics pH Test Indicator can help you maintain an ideal pH level (which is between 5.5 and 6.5). This can be achieved…
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pH Down (Liquid)
The acid formulation uses food grade phosphoric acid to lower the pH to the proper level. Widely recognized as a consistent and reliable product.
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pH Up (Liquid)
This base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low…
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FloraKleen®
Flora Kleen removes fertilizer residues that can accumulate over time in hydroponic systems, growing media and potting soils. Use monthly to purge your hydroponic…