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Products: 41 - 60 of 290      Brand Name
Guardian pH, Temp, Nutrient Monitor, Bluelab
List Price: $464.99
Our Price: $309.99
(save $155, 33%)
Replacement Ph Probe, Bluelab
List Price: $97.49
Our Price: $64.99
(save $32.5, 33%)
Waterproof PPM Pocket Tester From Bluelab
List Price: $119.99
Our Price: $79.99
(save $40, 33%)
Glass Thermometer, Won Brothers
List Price: $2.09
Our Price: $1.39
(save $0.7, 33%)
pH Test Strips, 15 foot paper
List Price: $9.74
Our Price: $6.99
(save $2.75, 28%)
GS4 pH/EC/500ppm/700ppm/Temp Combo Pen
List Price: $179.99
Our Price: $159.99
(save $20, 11%)
HDE Temperature Gun Infrared Thermometer w/ Laser ...
List Price: $29.99
Our Price: $19.99
(save $10, 33%)
ORP Tester with ORP Range up to ±999 mV
List Price: $148.64
Our Price: $99.09
(save $49.55, 33%)
Water Resistant pH Indicator w/ Visual Alarm, Hann...
List Price: $178.49
Our Price: $118.99
(save $59.5, 33%)
Liquid Reagent for Hanna HI 755 Alkalinity Checker...
List Price: $14.24
Our Price: $9.49
(save $4.75, 33%)
Phosphate LR, Ascorbic Acid Method (300 Tests)
List Price: $109.04
Our Price: $72.69
(save $36.35, 33%)
Copper Photometer w/ 560 nm Filter and Cal Check, ...
List Price: $418.94
Our Price: $279.29
(save $139.65, 33%)
Replacement Electrode For Hand Held Combo
List Price: $83.69
Our Price: $55.79
(save $27.9, 33%)
Hanna HI 713 Checker HC - Free Phosphate checker
List Price: $73.49
Our Price: $48.99
(save $24.5, 33%)
Hanna Nitrite LR Colorameter Reagent Kit (100 Tes...
List Price: $59.99
Our Price: $39.99
(save $20, 33%)
Nitrate Photometer with 555 nm LED, Low Range, Han...
List Price: $351.59
Our Price: $234.39
(save $117.2, 33%)
Reagent for Hanna HI 758 Calcium Checker HC - 25 t...
List Price: $29.99
Our Price: $19.99
(save $10, 33%)
Hanna Ammonia MR Colorameter Reagent Kit (100 test...
List Price: $82.49
Our Price: $54.99
(save $27.5, 33%)
Combination Buffer Kit 10.01, 7.01 pH sachets
List Price: $20.54
Our Price: $13.69
(save $6.85, 33%)
Hanna HI 718 Checker HC - Iodine checker
List Price: $73.49
Our Price: $48.99
(save $24.5, 33%)


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