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NUTRIENT & pH CONTROL: Calibration Solutions

pH Buffers are needed to calibrate pH Meters. EC Standard is needed to calibrate EC Meters. We also offer storage and cleaning solutions for you to maintain your meters. 

Product Size Price  
pH Buffer 4  250 ml  £ 2.50
pH Buffer 4  1 litre  £6.00
pH Buffer 7  250 ml  £ 2.50
pH Buffer 7  1 litre  £ 6.00
EC Standard 2.76 250 ml  £ 2.50
EC Standard 2.76  1 litre  £ 6.00
pH Probe Refill & Storage Solution 250 ml £ 5.00
pH Probe Cleaning Solution 250 ml £ 5.00

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3 Counties Hydroponics 
phone:  01382 778980
e-mail: 3CH@3countieshydroponics.co.uk

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