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 $7.16

Essentials Calibration 8oz 7.0

For the calibration of pH testers. Use in conjunction with pH Buffer 4...

$7.95 $7.16

Essentials Calibration Qt 4.01

For the calibration of pH testers. Use in conjunction with pH Buffer 7...

$19.95 $17.96

Essentials Calibration Qt 7.0

For the calibration of pH testers. Use in conjunction with pH Buffer 4...

$19.95 $17.96

Essentials pH Down Gal

Easy control 15% strength water stabilizer. Decreases pH of nutrient solution...

$27.49 $24.74

Essentials pH Down Qt

Easy control 15% strength water stabilizer. Decreases pH of nutrient solution.  ..

$10.83 $9.75

Essentials pH Up Gal

Easy control 15% strength water stabilizer. Increases pH of nutrient solution...

$27.49 $24.74

Essentials pH Up Pt

Easy control 15% strength water stabilizer. Increases pH of nutrient solution...

$7.50 $6.75

Essentials pH Up Qt

Easy control 15% strength water stabilizer. Increases pH of nutrient solution. ..

$10.83 $9.75