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Hydroponic Essentials

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Essentials Calibration   8oz 4.01
For the calibration of pH testers. Use in conjunction with pH Buffer 7...
$7.95
Essentials Calibration   Qt 4.01
For the calibration of pH testers. Use in conjunction with pH Buffer 7...
$19.95
Essentials Calibration 8oz 7.0
For the calibration of pH testers. Use in conjunction with pH Buffer 4...
$7.95
Essentials Calibration Qt 7.0
For the calibration of pH testers. Use in conjunction with pH Buffer 4...
$19.95
Essentials pH Down   1 Qt
Easy control 15% strength water stabilizer. Decreases pH of nutrient solution.  ..
$10.83
Essentials pH Down 1 Gal
Easy control 15% strength water stabilizer. Decreases pH of nutrient solution...
$27.49
Essentials pH Up    1 Pt
Easy control 15% strength water stabilizer. Increases pH of nutrient solution...
$7.50
Essentials pH Up   1 Qt
Easy control 15% strength water stabilizer. Increases pH of nutrient solution. ..
$10.83
Essentials pH Up 1 Gal
Easy control 15% strength water stabilizer. Increases pH of nutrient solution...
$27.49