Testing & Controllers

Filter

Digital pH Pen pH Meter pH600AQ

$26.99
See More
SKU: MIL2001

Digital Seawater Refractometer MA877

$157.49
See More
SKU: MIL1021

Digital Spoon Scale

$29.39
See More
SKU: SC928

Digital Thermometer

$17.84
See More
SKU: OA419

General Hardness (gH) Test Kit 0.5oz 15ml

$10.49
See More
SKU: SER462
-20%

General Hardness GH Fritz Test Kit Fresh and Saltwater

Original price was: $13.99.Current price is: $11.19.
See More
SKU: FR235
-33%

HALO Wireless Field pH Meter New Storage solution out of date

Original price was: $173.25.Current price is: $115.99.
See More
SKU: HN124

HI702 Copper Checker High Range FW & Marine Colorimeter Test

$68.20
See More
SKU: HN103

HI702-11 Copper HR Calibration Set FW & Salt

$28.35
See More
SKU: HN105

HI702-25 Copper Reagents HR 25 Tests FW & Marine

$18.89
See More
SKU: HN104

HI70300L Electrode Storage Solution 500ml Bottle

$14.70
See More
SKU: HN121

HI7032M 1382 mg/l (ppm) TDS value @ 25°, 230 ml Bottle Calibration

$16.80
See More
SKU: HN120