Buffer Solutions

Our Buffer Solutions Products are essential for calibrating pH meters and ensuring accurate water testing results. These solutions maintain a stable pH value, allowing your equipment to deliver precise readings every time. Ideal for laboratories, pools, aquariums, and industrial systems, our buffer solutions are easy to use and come in a variety of standard values—helping you keep your water testing reliable, consistent, and effortless.

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220 products

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Hanna Instruments HI-7009L/C pH 9.18 Buffer Solution, 500 mL bottle & Certificate of Analysis
Hanna Instruments
Hanna Instruments HI-7009L/C pH 9.18 Buffer Solution, 500 mL bottle & Certificate of Analysis Sale price£27.26 Regular price£28.70
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Hanna Instruments HI-7006L/C pH 6.86 Buffer Solution, 500 mL bottle & Certificate of Analysis
Hanna Instruments
Hanna Instruments HI-7006L/C pH 6.86 Buffer Solution, 500 mL bottle & Certificate of Analysis Sale price£39.14 Regular price£41.20
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Hanna Instruments HI-7004L/C pH 4.01 Buffer Solution, 500 mL bottle & Certificate of Analysis
Hanna Instruments
Hanna Instruments HI-7004L/C pH 4.01 Buffer Solution, 500 mL bottle & Certificate of Analysis Sale price£33.25 Regular price£35.00
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Hanna Instruments HI-7004/1G pH 4.01 Buffer Solution, 1 Gallon bottle
Hanna Instruments
Hanna Instruments HI-7004/1G pH 4.01 Buffer Solution, 1 Gallon bottle Sale price£65.83 Regular price£69.30
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Hanna Instruments HI-7006/1L pH 6.86 Buffer Solution, 1L bottle
Hanna Instruments
Hanna Instruments HI-7006/1L pH 6.86 Buffer Solution, 1L bottle Sale price£31.73 Regular price£33.40
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Hanna Instruments HI-7004C Red coloured Buffer solution 4.01 pH Value @25°C, 500 mL
Hanna Instruments
Hanna Instruments HI-7004C Red coloured Buffer solution 4.01 pH Value @25°C, 500 mL Sale price£31.73 Regular price£33.40
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Hanna Instruments HI-70010C pH 10.01 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis
Hanna Instruments
Hanna Instruments HI-70010C pH 10.01 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis Sale price£47.02 Regular price£49.50
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Hanna Instruments HI-7001M pH 1.68 Buffer Solution, 230 mL bottle
Hanna Instruments
Hanna Instruments HI-7001M pH 1.68 Buffer Solution, 230 mL bottle Sale price£25.27 Regular price£26.60
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Hanna Instruments HI-7001L pH 1.68 Buffer Solution, 500 mL bottle
Hanna Instruments
Hanna Instruments HI-7001L pH 1.68 Buffer Solution, 500 mL bottle Sale price£29.26 Regular price£30.80
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Hanna Instruments HI-70007C pH 7.01 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis
Hanna Instruments
Hanna Instruments HI-70007C pH 7.01 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis Sale price£47.02 Regular price£49.50
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Hanna Instruments HI-70009C pH 9.18 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis
Hanna Instruments
Hanna Instruments HI-70009C pH 9.18 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis Sale price£42.65 Regular price£44.90
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Hanna Instruments HI-70004C pH 4.01 Buffer Sachets, 25 x 20 mL sachets & certificate of analysisHanna Instruments HI-70004C pH 4.01 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis
Hanna Instruments
Hanna Instruments HI-70004C pH 4.01 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis Sale price£47.02 Regular price£49.50
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Hanna Instruments HI-70006C pH 6.86 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis
Hanna Instruments
Hanna Instruments HI-70006C pH 6.86 Buffer Sachets, 25 x 20 mL sachets & certificate of analysis Sale price£42.65 Regular price£44.90
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Hanna Instruments HI-6124 pH 12.450 Millesimal Buffer Solution (±0.002 pH), 500ml
Hanna Instruments
Hanna Instruments HI-6124 pH 12.450 Millesimal Buffer Solution (±0.002 pH), 500ml Sale price£42.65 Regular price£44.90
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Hanna Instruments HI-6074 pH 7.413 Millesimal Buffer Solution, 500ml
Hanna Instruments
Hanna Instruments HI-6074 pH 7.413 Millesimal Buffer Solution, 500ml Sale price£55.95 Regular price£58.90
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Hanna Instruments HI-6091 pH 9.177 Millesimal Buffer Solution, 500 mL bottle
Hanna Instruments
Hanna Instruments HI-6091 pH 9.177 Millesimal Buffer Solution, 500 mL bottle Sale price£55.95 Regular price£58.90
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Hanna Instruments HI-6068 pH 6.862 Millesimal Buffer Solution (±0.002 pH), 500ml
Hanna Instruments
Hanna Instruments HI-6068 pH 6.862 Millesimal Buffer Solution (±0.002 pH), 500ml Sale price£41.61 Regular price£43.80
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Hanna Instruments HI-6016 pH 1.679 Millesimal Buffer Solution (±0.002 pH), 500ml
Hanna Instruments
Hanna Instruments HI-6016 pH 1.679 Millesimal Buffer Solution (±0.002 pH), 500ml Sale price£42.65 Regular price£44.90
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Hanna Instruments HI-6010-01 pH10.010 Millesimal Buffer Solution (±0.002 pH) 1 Litre
Hanna Instruments
Hanna Instruments HI-6010-01 pH10.010 Millesimal Buffer Solution (±0.002 pH) 1 Litre Sale price£41.61 Regular price£43.80
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Hanna Instruments HI-6013 pH 13.000 Millesimal Buffer Solution, 500 mL bottle
Hanna Instruments
Hanna Instruments HI-6013 pH 13.000 Millesimal Buffer Solution, 500 mL bottle Sale price£42.65 Regular price£44.90
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Hanna Instruments HI-6012 pH12.000 Millesimal Buffer Solution, 500ml
Hanna Instruments
Hanna Instruments HI-6012 pH12.000 Millesimal Buffer Solution, 500ml Sale price£55.95 Regular price£58.90
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Hanna Instruments HI-6009 pH 9.000 Millesimal Buffer Solution (±0.002 pH), 500ml
Hanna Instruments
Hanna Instruments HI-6009 pH 9.000 Millesimal Buffer Solution (±0.002 pH), 500ml Sale price£41.61 Regular price£43.80
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Hanna Instruments HI-6008 pH 8.000 Millesimal Buffer Solution, 500 mL bottle
Hanna Instruments
Hanna Instruments HI-6008 pH 8.000 Millesimal Buffer Solution, 500 mL bottle Sale price£55.95 Regular price£58.90
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Hanna Instruments HI-6011 pH 11.000 Millesimal Buffer Solution, 500 mL bottle
Hanna Instruments
Hanna Instruments HI-6011 pH 11.000 Millesimal Buffer Solution, 500 mL bottle Sale price£55.95 Regular price£58.90

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