Meters & Solutions

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Essentials Calibration 8oz 7.0

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

$7.95 $6.52

Essentials Calibration Qt 4.01

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

$19.95 $16.36

Essentials Calibration Qt 7.0

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

$19.95 $16.36

Essentials pH Down Gal

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

$27.49 $22.54

Essentials pH Down Qt

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

$10.83 $8.88

Essentials pH Up Gal

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

$27.49 $22.54

Essentials pH Up Pt

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

$7.50 $6.15

Essentials pH Up Qt

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

$10.83 $8.88

Future Harvest Grow Boss - Nutrient Monitor

The Nutradip GrowBoss is a nutrient monitoring system that assists growers in achieving maximum resu..

$299.92 $245.93

Future Harvest Nutradip Nutrient Meter EC Dual Power AC DC

Nutradip Nutrient Meters are the reliable way to measure the strength of your gardens nutrient suppl..

$119.65 $98.11

Future Harvest Nutradip pH Meter Dual Power AC DC

Nutradip pH Meter is a continuous monitoring pH meter with automatic temperature compensation and DC..

$129.15 $105.90

Future Harvest Nutradip pH Replacement Probe

Nutradip pH Probes are the reliable way to measure acidity in your nutrient solution. The pH Probe i..

$69.30 $56.83

General Hydroponics pH Down Acid 8oz

To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced gr..

$7.54 $6.18

General Hydroponics pH Test Indicator 8 oz

Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the colora..

$10.76 $8.82

General Hydroponics pH Up Base 8oz

To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced gr..

$7.54 $6.18