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Bluelab Combo Meter
The Bluelab Combo Meter offers customers a conductivity, pH, and temperature meter all in one. This battery powered port… |
$299.95
$245.00 |
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Bluelab pH Truncheon Meter
Gardeners can measure pH levels in seconds with the waterproof Bluelab pH Truncheon. Auto-on Truncheon has a pH scale fr… |
$189.95
$160.00 |
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Bluelab Truncheon Meter - PPM/TDS, CF, EC
Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon from Bluelab. Truncheon… |
$134.95
$110.00 |
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GH pH Control Kit
The pH Control Kit includes one liquid pH test kit and 8 ounces of each Up(base) and Down (acid). The pH Test Kit is a l… |
$15.98
$12.75 |
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GroCheck Combo Meter (wall mount)
The GroCheck Combo Meter uses professional-grade sensors to test pH and TDS in one simple-to-use unit. The Combo Meter d… |
$182.95
$148.50 |
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GroCheck pH Meter
The GroCheck pH Meter is a rugged, water-resistant pH meter that comes complete with a replaceable Teflon® clog-resi… |
$102.95
$85.00 |
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GroCheck TDS Meter
The GroCheck TDS Meter provides easy-to-read TDS measurements quickly and accurately. The meter is simple to set up, han… |
$102.95
$85.00 |
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GroChek pH/EC/TDS Portable Meter
The pH-EC-TDS (PET) Meter combines three testers in one unit on a 3’ cable. This meter comes with a fast-response … |
$234.95
$190.00 |
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Hanna pH, TDS, & Temp Monitor
Hanna Instruments’ pH & TDS Meter with Temperature Monitor features three dedicated backlit LCD screens, one f… |
$251.95
$205.00 |
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Hanna Portable Combo Meter w/ F.S.T Technology
The Hanna pH-EC-TDS Meter with F.S.T. Technology accurately conducts each respective test in one handy unit. The meter r… |
$264.95
$225.00 |
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Hanna Waterproof Combo Meter - Black
The Combo Waterproof Tester takes highly accurate readings of temperature, pH, EC and TDS. The unit is protected by a st… |
$197.95
$160.00 |
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Hanna Waterproof EC / TDS Meter - Blue
The Waterproof EC/TDS Tester is an easy-to-use, convenient meter. Graphite electrodes ensure accuracy, and are easily re… |
$126.95
$102.00 |
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Hanna Waterproof pH Meter - Red
The Waterproof pH Tester has a durable casing to repel water and ensure long life; the dual level display shows both pH … |
$109.95
$90.00 |
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Nutradip Tri Meter (pH, PPM, & Temp)
The Nutradip Tri-Meter combines the technology of the pH and TDS meters and addresses an additional key factor in hydr… |
$233.95
$195.00 |
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pH Test Drop Kit
pH Indicator Test Drops from General Hydroponics. |
$6.98
$5.50 |
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pH Test Indicator Solution - 8oz
This concentrated pH test indicator is simple to use and offers results that are easy to read. Three drops of pH Test In… |
$9.98
$8.50 |
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Sunleaves TDS Essential Digital TDS Pen
The Sunleaves TDS Essential Digital Pen measures total dissolved solids from 0 to 9,999 parts per million with a resolut… |
$39.95
$35.00 |
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