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Best Sellers

DL122 pH and Temperature Controller with IDC, Milw...
List Price: $699.99
Our Price: $349.99
(save $350, 50%)
Hard Carrying Case for Digital Meters
List Price: $29.99
Our Price: $19.99
(save $10, 33%)
MC122 Ph Controller With Standard Plug Socket, Mil...
List Price: $184.49
Our Price: $122.99
(save $61.5, 33%)
MC122 Ph Controller With Standard Plug Socket, Mil...
List Price: $334.49
Our Price: $222.99
(save $111.5, 33%)
Hanna HI504214 pH ORP controller
List Price: $1049.99
Our Price: $699.99
(save $350, 33%)
Replacement Ph Probe 2 M Cable, Milwaukee
List Price: $56.99
Our Price: $37.99
(save $19, 33%)
Aquarium Temperature Alert From Tom / Oscar
List Price: $24.74
Our Price: $16.49
(save $8.25, 33%) 4
HDE Temperature Gun Infrared Thermometer w/ Laser ...
List Price: $29.99
Our Price: $19.99
(save $10, 33%)
Combo pH/EC/TDS/Temp Tester w/ (LR) EC, Hanna
List Price: $238.79
Our Price: $159.19
(save $79.6, 33%)
Digital Sugar - BRIX Refractometer, Milwaukee
List Price: $185.99
Our Price: $131.99
(save $54, 29%)
ph Probe cleaning and calibration kit, Bluelab
List Price: $49.49
Our Price: $32.99
(save $16.5, 33%)
Hanna pH EC TDS C portable meter
List Price: $324.14
Our Price: $216.09
(save $108.05, 33%)
Hanna pH/TDS/Temperature Monitor
List Price: $306.74
Our Price: $204.49
(save $102.25, 33%)
Electronic Hygrometer, Hanna
List Price: $169.19
Our Price: $112.79
(save $56.4, 33%)
Replacement Ph Probe, Bluelab
List Price: $97.49
Our Price: $64.99
(save $32.5, 33%)
Replacement SOIL Ph Probe, Bluelab
List Price: $149.99
Our Price: $99.99
(save $50, 33%)
Case Of 25, Ph 4.01 20 Ml Sachets, Milwaukee
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
Case Of 25, 1382 Ppm 20 Ml Sachet
List Price: $23.99
Our Price: $15.99
(save $8, 33%)
1,382 Ppm 220 Ml Bottle Tds Solution, Milwaukee
List Price: $10.49
Our Price: $6.99
(save $3.5, 33%)