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pH Down HP-NSPHD
Acid formulated using food grade Phosphoric acid. Just add a little at a time if your nutrient pH is too high in order to lower the pH to the proper level.
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From: $90.00
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pH Up HP-NSPHU
Base formulated using Potassium Hydroxide and Potassium Carbonate. Add a little at a time if your nutrient pH is too low in order to raise the pH to the proper level.
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From: $90.00
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pH Control Kit HP-PHCK
Contains 1 - 8oz bottle of pH Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level), 1 - 8oz bottle of pH Down (uses food grade Phosphoric acid to lower the pH to the proper level), and pH Test Indicator (fill a test-tube halfway with nutrient,...
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pH Test Kit HP-PHTK
The pH Test Kit contains pH test fluid and test strips.
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Earth Juice Natural Down, 1.6 lb. HP-NSEJ
Earth Juice Natural Down contains pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, splashing and dealing with harsh liquid pH adjusters. Use to adjust the pH of fertilizer and plant micro nutrient foliar solutions.
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Earth Juice Natural Up, 2 lbs. HP-NSEJU
Earth Juice Natural Up contains pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, splashing and dealing with harsh liquid pH adjusters. Use to adjust the pH of fertilizer and plant micronutrient foliar solutions. Proper pH is vital for healthy plant...
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$15.80

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Oakton PH Tester GL-1035
This durable, dust-proof, waterproof pH tester floats! Featuring microprocessor-based, push-button one-point calibration; auto buffer recognition; hold function; auto-off; error messages and is certifiable to IP67 standards. Accuracy is 0.2 pH.
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From: $95.00
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Oakton Waterproof PH1 EcoTestr MD-PH1
OAKTON's new EcoTestr is economical and easy to use. With its crystal clear, ergonomically designed display, you can easily view measurements at a glance.
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TDS-3 Tester Pen MD-TDS3
Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the...
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