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pH/EC/TDS Meters & Solutions

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 pH Test Kit
(Wide Spectrum) Measures 3-10 pH. The Hydroponic pH test kit is good for 150 tests. At the rate of ..
$5.95
12.880ms/cm Conductivity Solution
M10030B calibration solution is formulated at 12.880ms/cm, and is available in a box of 25@20 ml sac..
$1.00
12880 S/ cm Conductivity Solution
This Hanna conductivity calibration solution is widely used to assure the proper performance of cond..
$12.95
12880mS/cm Calibratioln Solution 20ml
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments..
$1.28
1382 PPM Solution 220ml
Available in 220ml bottles and 20ml sachets. Traditional buffer solutions are packed in 220ml leak-p..
$10.95
1500 PPM Calibration Solution 1 qt
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use o..
$21.50
1500 PPM Packet
This item is sachets Available in 220ml bottles and 20ml sachets. Traditional buffer solutions are ..
$1.00
1500 PPM Reference Solution   8 oz
General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate ma..
$8.20
24-7 Nutrient Monitor
A great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH ..
$216.95
24-7 pH Replacement Probe
A great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH ..
$59.95
24-7 PPM Replacement Probe
A great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH ..
$59.95
Accurate pH 7 Soil pH & Moisture Meter
Accurate pH 8 The Accurate pH 8 is a professional pH and Moisture Meter with 12..
$66.95
Accurate pH 8 Soil pH & Moisture Meter
Accurate pH 8 The Accurate pH 8 is a professional pH and Moisture Meter with 12..
$77.95
Active Aqua Dual Inline TDS Meter
Dual range meter displays TDS levels of feed water and product water with in and out electrode probe..
$49.95
APCEPH1 PH Replacement Probe
APCEPH1 PH Replacement Probe...
$64.95