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pH / EC / TDS Meter

82 products
AquaMaster P110 Replaceable Electrode
AquaMaster P110 Replaceable Electrode

Aquamaster

$0.00

NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML
-61%
NUTRI+ FLORASOL CALIBRATION SOLUTION PH 4 500ML

NUTRI+

$4.95 $12.95

Cyco Calibration Solution pH 7.0 250ml
-16%
Cyco Calibration Solution pH 7.0 250ml

Cyco

$9.95 $11.95

Cyco Calibration Solution EC 2.76 250ml
-16%
Cyco Calibration Solution EC 2.76 250ml

Cyco

$9.95 $11.95

Bluelab® pH 4.0 Calibration Solution
Bluelab® pH 4.0 Calibration Solution

Bluelab®

from$11.95

NUTRI+ PH QUICKCHECK TESTER (1)
-65%
NUTRI+ PH QUICKCHECK TESTER (1)

NUTRI+

$12.95 $37.95

Nutri+ potassium carbonate ph+ 17%
-56%
Nutri+ potassium carbonate ph+ 17%

NUTRI+

$12.95 $29.95

Advanced Nutrients ph Down
Advanced Nutrients ph Down

Advanced Nutrients

from$12.95

Cyco Calibration Solution pH 4.0 250ml
-21%
Cyco Calibration Solution pH 4.0 250ml

Cyco

$14.95 $18.95

Mad-Lab pH-
-20%
Mad-Lab pH-

Mad-Lab

$15.95 $19.95

Mad-Lab pH+
-20%
Mad-Lab pH+

Mad-Lab

$15.95 $19.95

General Hydroponics pH Down Liquid
General Hydroponics pH Down Liquid

General Hydroponics

from$15.95

Advanced Nutrients ph Up
Advanced Nutrients ph Up

Advanced Nutrients

from$15.95

Hanna HI5036-023 pH / EC Solution Quick Calilbration 230ml
Hanna HI5036-023 pH / EC Solution Quick Calilbration 230ml

Hanna Instruments

$16.95

Cyco pH Down
Cyco pH Down

Cyco

from$17.95

Cyco pH Up
Cyco pH Up

Cyco

from$17.95

Nutri+Potassium hydroxide ph+ 34%
Nutri+Potassium hydroxide ph+ 34%

NUTRI+

from$19.95

General Hydroponics® pH Up Liquid
General Hydroponics® pH Up Liquid

General Hydroponics

from$19.95

TNB Naturals Granular pH Down
TNB Naturals Granular pH Down

TNB Naturals

from$19.99

TNB Naturals Granular pH Up
TNB Naturals Granular pH Up

TNB Naturals

from$19.99

GreenPlanet Nutrients pH Down
GreenPlanet Nutrients pH Down

GreenPlanet

from$20.99

GreenPlanet Nutrients pH Up
GreenPlanet Nutrients pH Up

GreenPlanet

from$20.99

Hanna pH 4 Buffer 500ml
Hanna pH 4 Buffer 500ml

Hanna Instruments

$24.60

Hanna 1413 PPM Buffer 500ml
Hanna 1413 PPM Buffer 500ml

Hanna Instruments

$24.60

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