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Alkalinity: Fresh Water – ppm (0 & 500 ppm CaCO3)

£69.95

Available in 3-7 Days if Ordered Today!

Alkalinity: Marine – dKH (0.0 to 20.0 dKH)

£69.95

Available in 3-7 Days if Ordered Today!

Alkalinity: Marine – ppm (0 to 300 ppm CaCO3)

£69.95

Available in 3-7 Days if Ordered Today!

Ammonia: Low Range – ppm (0.00 to 1.00 ppm NH3-N)

£69.95

Available in 3-7 Days if Ordered Today!

Calcium: Marine – ppm (200 to 600 ppm)

£69.95

Available in 3-7 Days if Ordered Today!

Calibration checking set for HI-736

£22.02

Available in 3-7 Days if Ordered Today!

Calibration Checking Set for the HI-775 Alkalinity Checker

£33.00

Available in 3-7 Days if Ordered Today!

Checker Plus pH Tester (0 – 14 pH)

£58.68

Available in 3-7 Days if Ordered Today!

Chlorine: Free – ppm (0.00 to 2.50 ppm)

£76.38

Available in 3-7 Days if Ordered Today!

Chlorine: Total – ppm (0.00 to 3.50 ppm)

£76.38

Available in 3-7 Days if Ordered Today!

Electrode cleaning solution 230ml

£28.14

Available in 3-7 Days if Ordered Today!

Electrode storage solution 230ml

£28.14

Available in 3-7 Days if Ordered Today!