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Meters/Timers

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Displaying 21 to 30 (of 34 products) [<< Prev]   1  2  3  4  [Next >>] 
 Product Image   Product Name   Price+ 
 Blue Lab Probe Cal & cleaning Kit   Blue Lab Probe Cal & cleaning Kit   $29.95
 
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 GH pH Down Gal   GH pH Down Gal   $29.95
 
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This concentrated acid formula is used to lower the pH in a reservoir.
 GH pH Up Gal   GH pH Up Gal   $29.95
 
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Concentrated base formula is used to raise the pH in a reservoir.
 HF Light Meter   HF Light Meter   $29.95
 
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Photosynthesis & Plant Growth depend on the sun or specially designed lighting systems. But of that light reaching the plant, only specific types...
 Milwaukee pH 600 Meter   Milwaukee pH 600 Meter   $39.95
 
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Milwaukee's most affordable pH tester, range: 0.0 to 14.0 pH, with one point manual calibration, and accuracy of 0.2 pH. Battery Life: 700 hours....
 Milwaukee pH 55 Replacement Probe   Milwaukee pH 55 Replacement Probe   $51.95
 
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Replacement probe that fits the Milwaukee Martini pH 55 Pen. 6 month warranty on probe.
 HF Digital Light Meter   HF Digital Light Meter   $59.95
 
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Measures grow lights or sunlight. Measures up to 5000 footcandles. 3 scales for precise readings. Convenient hand-held remote sensor. Lifetime...
 Milwaukee Martini pH55   Milwaukee Martini pH55   $84.95
 
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. This is a waterproof pH tester with large dual-level LCD that displays pH and temperature (C or F). The large display shows readings in an...
 Milwaukee T75 TDS Tester   Milwaukee T75 TDS Tester   $84.95
 
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Model T75 Waterproof TDS tester with automatic temperature compensation and 1 point manual calibration range: 0.0 to 1999 ppm (mg/L), replaceable...
 Milwaukee pH Meter Continuous   Milwaukee pH Meter Continuous   $99.95
 
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This continuous pH monitor constantly reads pH directly in your reservoir. Unique Cal-Check feature makes verification of calibration accuracy very...
Displaying 21 to 30 (of 34 products) [<< Prev]   1  2  3  4  [Next >>]