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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

Eco Plus EcoPlus Hydrovescent Air Disc 8 in

EcoPlus Hydrovescent Air Disc 8 in

EcoPlus® Hydrovescent Air Disc® air diffusers are great for aerating or circulating nutrients in your tanks or reservoirs. These air diffusers incorporate suction cup feet to keep your Hydrovescent Air Disc® secured

Eco Plus EcoPlus Hydrovescent Air Disc 8 in

$41.64

Hydro-Logic Hydro-Logic Float Valve QC 3/8 in for Evolution RO 1000 and Tall Boy

Hydro-Logic® Float Valve - 3/8 in

This float valve features a 3/8 in quick connect fitting and adjustable water level. Can be mounted vertically or horizontally. Stainless steel and PVC components. This float valve allows you to fill a reservoir or tan

Hydro-Logic Hydro-Logic Float Valve QC 3/8 in for Evolution RO 1000 and Tall Boy

$28.46

Hydro Flow Hydro Flow 6 in Holding Stake

Jain Irrigation 6 in Holding Stake

Hydro Flow® 6 in holding stake works great for securing tubing between 1/8 in-1/4 in.

Hydro Flow Hydro Flow 6 in Holding Stake

$0.50

Hydro Flow Hydro Flow Dripper Stake w/ Basket - Black

Hydro Flow® Dripper Stake with Basket - Black

Made with high quality materials. Can be used with dripper line #708345.

Hydro Flow Hydro Flow Dripper Stake w/ Basket - Black

$0.77

Hydro Flow Hydro Flow Octa-Bubbler 20 GPH Per Outlet - Green Extra High Flow Bubbler

Jain Irrigation Octa-Bubbler 20 GPH Per Outlet - Green Extra High Flow Bubbler

Octa-Bubbler® is a pressure compensating device with a 1/2 in FPT inlet and 8 swivel port 3/16 in outlets. Constructed using ABS plastic. Built-in back flow prevention engi

Hydro Flow Hydro Flow Octa-Bubbler 20 GPH Per Outlet - Green Extra High Flow Bubbler

$15.29

Hydro Flow Hydro Flow Premium Barbed Tee 1 in

Hydro Flow Premium Barbed Tee 1 in

Use these high quality barbed 1 in connectors for your irrigation systems or hydroponic systems. Feature 4 barbs for a tight fit. Bump stop assures fittings are completely and securely inserted in tubing.

Hydro Flow Hydro Flow Premium Barbed Tee 1 in

$1.35

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

Hydrofarm Electronic Water Timer

The Hydrofarm Electronic Water Timer makes watering your plants a breeze. This single-station analog timer attaches directly to your garden hose and automatically controls sprinklers, drip systems or soaker systems. It features two simple dials that allow

Hydrofarm Electronic Water Timer

$31.49

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