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NUTRIENT and PH TESTING
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pH & EC Calibration Solutions
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pH Buffer 4
To calibrate pH meters to pH 4.
£4.00
pH Buffer 7
to calibrate pH meters to pH 7.
£4.00
Cf Standard 1.413
to calibrate EC Meters.
£4.00
CF Standard 2.76
To calibrate EC meters.
£4.00
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Gavita Master Controller EL2
£400.00
£370.00
Save: 8% off
Gavita Master Controller EL1
£340.00
£310.00
Save: 9% off
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