pH / EC / TDS Meters - Northern Lights Gardening

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pH / EC / TDS MetersThere are 36 products.

BLUELAB ORIGINAL TRUNCHEON METER

Features of this reliable meter include: EC, CF and ppm scales Factory calibrated Fully waterproof Auto turn...
STARTING PRICE: $121.50
Bluelab PPM Pen

Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low...
STARTING PRICE: $80.95
Bluelab Combo Meter

Light weight and portable Measures pH, Nutrient and Temperature Three display options for nutrient - EC, CF,...
STARTING PRICE: $269.95
Bluelab pH Meter

The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the pH probe into the solution and...
STARTING PRICE: $180.00
Bluelab Soil pH Meter

If you need to measure the pH level of soil, media or substrates, then the Bluelab® Soil pH Meter is just what you...
STARTING PRICE: $220.50
Bluelab Guardian Monitor

In just one glance it measures all three critical parameters for successful growth pH, conductivity and temperature.
STARTING PRICE: $310.50
Bluelab pH Probe Clean Calibration Kit

pH cleaning and calibration kit: Full color laminated instructions Calibration solutions De-canter vessels...
STARTING PRICE: $27.00
Bluelab Nutrient Probe Cleaning Kit

CF/EC cleaning kit: Full color laminated instructions Conductivity standard solution De-canter vessel Liquid...
STARTING PRICE: $19.35
MILWAUKEE METERS PH51 WATERPROOF PH TESTER

Waterproof pH tester with 2 point manual calibration, 0.1 pH accuracy, range: 0.0 to 14.0 pH, replaceable MA73600 pH...
STARTING PRICE: $66.56
MILWAUKEE METERS MA73600 REPLACE PROBE FOR PH 51

Waterproof pH tester with 2 point manual calibration, 0.1 pH accuracy, range: 0.0 to 14.0 pH, replaceable MA73600 pH...
STARTING PRICE: $46.76
1382 PPM TDS SOLUTION (220ml)

Milwaukee Meters MA9062 1382 ppm TDS Solution 220ml
STARTING PRICE: $9.26
MILWAUKEE METERS PH600 AQ PH METER

The pH600 AQ pH Tester is Milwaukee's most affordable pH tester, range: 0.0 to 14.0 pH, with one point manual calibration,...
STARTING PRICE: $30.56
M10004B 4.01 BUFFER SOLUTION (20ML)

Milwaukee Meters 20ml pH Buffer Solution Packets: pH 4.01 Packets are sealed against light and air and are ideal for...
STARTING PRICE: $0.90
M10007B 7.01 BUFFER SOLUTION (20ml)

Milwaukee Meters 20ml pH Buffer Solution Packets: pH 7.01 Packets are sealed against light and air and are ideal for...
STARTING PRICE: $0.90
OAKTON 1413 TDS CALIBRATION SOLUTION (500ML)

STARTING PRICE: $14.36
M10010B 10.01 BUFFER SOLUTION (20ml)

Milwaukee Meters 20ml pH Buffer Solution Packets: pH 10.01 Packets are sealed against light and air and are ideal for...
STARTING PRICE: $0.90
TECHNAFLORA PH DOWN

Technafloras pH Up and pH Down enable the gardener to moderate and maintain optimum pH levels. Both pH-balancing aids are...
STARTING PRICE: $9.98
CONTROL WIZARD 1382 CALIBRATION SOLUTION (4 oz)

Control Wizard Products 1382 Conductivity Standard. Use to calibrate all meters that use the 1 EC to 500 ppm water standard.
STARTING PRICE: $4.46
CONTROL WIZARD ACCURATE PH 8 SOIL PH & MOISTURE METER

Control Wizard Products is now introducing its Accurate pH and moisture meter for soil growers. The Accurate pH 8 has a 12"...
STARTING PRICE: $67.46
MILWAUKEE METERS MR32 SUGAR REFRACTOMETER ATC

Use the MR32 Sugar Refractometer to gauge the health of your plants by measuring their sugar content. This method is used by...
STARTING PRICE: $103.46
EC Shake Nutrient Meter

This revolutionary EC meter is powered by a magnet instead of a battery! A gentle shaking action generates the energy to...
STARTING PRICE: $79.15
HANNA INSTRUMENTS PH/TDS PEN BATTERIES (12/PK)

Hanna Instruments pH / TDS Pen Batteries (Model HI 740026-P) Sold in packs of 12 batteries
STARTING PRICE: $17.96
HANNA INSTRUMENTS PH 10.01 CALIBRATON SOLUTION

Hanna Instruments pH 10.01 Calibration Solution is available in 20ml packets.
STARTING PRICE: $1.16
GENERAL HYDROPONICS 1500 PPM REFERENCE SOLUTION (8oz)

General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of...
STARTING PRICE: $7.38
GENERAL HYDROPONICS PH TEST KIT (1oz)

HG pH 1 oz. test kit with test vial offers wide spectrum testing (pH 4.0 to 8.5). This concentrated solution requires only 5...
STARTING PRICE: $6.79
MILWAUKEE METERS M10442B 1500 PPM PACKET (20ml)

STARTING PRICE: $0.98
GENESIS INSTRUMENTS ELECTRODE CLEANER (Twin Pack)

Genesis Instruments Electrode Cleaning Solutions are used to clean meter tips. Works for both pH and conductivity meters....
STARTING PRICE: $18.00
GENENSIS INSTRUMENTS ELECTRODE STORAGE SOLUTION

Use Genensis Instruments Electrode Storage Solution to store your pH meter electrode between uses. This solution is designed...
STARTING PRICE: $7.16
Hanna Soil EC tester

Hanna Soil EC tester gives you a tool to see what the nutrient levels are down in the medium. Very useful when measuring...
STARTING PRICE: $134.96
CONTROL WIZARD 24-7 NUTRIENT MONITOR

The 24-7 Nutrient Meter from Control Wizard Products is a great all around meter for nutrient applications needing constant...
STARTING PRICE: $188.06

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