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Ph/EC/TDS Meters and solutions

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BlueLab Bluelab pH Probe KCl Storage Solution 100 ml

Bluelab pH Probe KCl Storage Solution 100 ml

The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and

BlueLab Bluelab pH Probe KCl Storage Solution 100 ml

$12.58

BlueLab Bluelab 2.77EC Conductivity Solution 250 ml

Bluelab 2.77EC Conductivity Solution 250 ml

"The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat. Plea

BlueLab Bluelab 2.77EC Conductivity Solution 250 ml

$12.00

BlueLab Bluelab pH Probe KCI Storage Solution 250ml

Bluelab pH Probe KCI Storage Solution 250ml

The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and m

BlueLab Bluelab pH Probe KCI Storage Solution 250ml

$24.50

BlueLab Bluelab pH 4.0 Calibration Solution 250 ml

Bluelab pH 4.0 Calibration Solution 250 ml

"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibratio

BlueLab Bluelab pH 4.0 Calibration Solution 250 ml

$12.00

BlueLab Bluelab pH 7.0 Calibration Solution 250 ml

Bluelab pH 7.0 Calibration Solution 250 ml

"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibratio

BlueLab Bluelab pH 7.0 Calibration Solution 250 ml

$12.00

Emerald Harvest Emerald Harvest pH Down 55 Gallon/208 Liter

Emerald Harvest pH Down 55 Gallon/208 Liter

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the p

Emerald Harvest Emerald Harvest pH Down 55 Gallon/208 Liter

$2,038.28

Emerald Harvest Emerald Harvest pH Down 6 Gallon/22.71 Liter

Emerald Harvest pH Down 6 Gallon/22.71 Liter

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the

Emerald Harvest Emerald Harvest pH Down 6 Gallon/22.71 Liter

$352.66

Emerald Harvest Emerald Harvest pH Down 2.5 Gallon/9.46 Liter

Emerald Harvest pH Down 2.5 Gallon/9.46 Liter

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce th

Emerald Harvest Emerald Harvest pH Down 2.5 Gallon/9.46 Liter

$171.84

Emerald Harvest Emerald Harvest pH Down Gallon/3.79 Liter

Emerald Harvest pH Down Gallon/3.79 Liter

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the pH

Emerald Harvest Emerald Harvest pH Down Gallon/3.79 Liter

$82.95

Emerald Harvest Emerald Harvest pH Up 55 Gallon/208 Liter

Emerald Harvest pH Up 55 Gallon/208 Liter

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of yo

Emerald Harvest Emerald Harvest pH Up 55 Gallon/208 Liter

$2,038.28

Emerald Harvest Emerald Harvest pH Up 6 Gallon/22.71 Liter

Emerald Harvest pH Up 6 Gallon/22.71 Liter

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of

Emerald Harvest Emerald Harvest pH Up 6 Gallon/22.71 Liter

$352.66

Emerald Harvest Emerald Harvest pH Up 2.5 Gallon/9.46 Liter

Emerald Harvest pH Up 2.5 Gallon/9.46 Liter

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of

Emerald Harvest Emerald Harvest pH Up 2.5 Gallon/9.46 Liter

$171.84

Emerald Harvest Emerald Harvest pH Up Gallon/3.79 Liter

Emerald Harvest pH Up Gallon/3.79 Liter

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of you

Emerald Harvest Emerald Harvest pH Up Gallon/3.79 Liter

$81.51

Emerald Harvest Emerald Harvest pH Up Quart/0.95 Liter

Emerald Harvest pH Up Quart/0.95 Liter

Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of your

Emerald Harvest Emerald Harvest pH Up Quart/0.95 Liter

$26.68

Hydrofarm Active Air 3 - Way Meter

Active Air 3-Way Meter

Gardeners can conveniently test their moisture, light, and pH levels with the handy Active Air 3-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist); light readings range from 0 LUX (low light) to 2000 LUX (

Hydrofarm Active Air 3 - Way Meter

$13.74

Hydrofarm Active Air 2-Way Moisture/pH Meter

Active Air 2-Way Moisture pH Meter

Gardeners can conveniently test moisture and pH levels with the handy Active Air 2-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist). pH readings between pH 3 (acidic) and pH 10 (basic) are rep

Hydrofarm Active Air 2-Way Moisture/pH Meter

$11.80

General Hydroponics GH pH Up Liquid Gallon

GH pH Up Liquid Gallon

This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.

General Hydroponics GH pH Up Liquid Gallon

$35.87

Milwaukee Instruments Milwaukee Instruments 1382 ppm Calibration Solution, 230 ml

The performance of conductivity probes are affected by use due to residue build up and aging.

MA9062 is a lab grade 1382 ppm TDS conductivity solution standard prepared against a NIST traceable potassium chloride solution that allows you to recalibrat

Milwaukee Instruments Milwaukee Instruments 1382 ppm Calibration Solution, 230 ml

$11.99

HM Digital Meters HM Digital AquaPro TDS/Temperature Meter

FEATURES

Measures total dissolved solids (TDS) and temperature
Automatic Temperature Compensation (ATC)
Water-resistant housing
Measurement Range: 0-5000 ppm
Digital Calibration (push button)
Auto-off function, data-hold function and low-battery i

HM Digital Meters HM Digital AquaPro TDS/Temperature Meter

$42.95

HM Digital Meters HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)

Product Details

NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.

HM Digital Meters HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)

$9.49

Milwaukee Instruments Milwaukee Instruments pH 600 pH Tester With 1 Point Manual Calibration

pH Tester with 1 point manual calibration, ± 0.2 pH accuracy, range: 0.0 pH to 14.0 ph. Full-range pH tester. 30-day warranty, snap-over protective case, 7.01 calibration solution and calibration screwdriver are all included with unit.

Range: 0.0 to 14

Milwaukee Instruments Milwaukee Instruments pH 600 pH Tester With 1 Point Manual Calibration

$28.95

Cyco CYCO pH Up 5 Liter

CYCO pH Up 5 Liter

CYCO pH Up raises the total pH value of the made nutrient solution.

Cyco CYCO pH Up 5 Liter

$22.00

Cyco CYCO pH Down 5 Liter

CYCO pH Down 5 Liter

CYCO pH Down lowers the total pH value of the made nutrient solution.

Cyco CYCO pH Down 5 Liter

$40.90

Nectar For The Gods Nectar For The Gods Hades Down Quart

Hades Down Quart
This blend of organic acids lowers your nutrient solution's pH. It's our pH down. Don't worry if you over shoot the down: just add some Olympus Up and see the benefits of adding more calcium.

Nectar For The Gods Nectar For The Gods Hades Down Quart

$21.50

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