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pH 4.0 Sachet


pH Meter Calibration Buffer Solutions - Includes pH 4.00 Sachet as well as pH 6.86 Sachet



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It is recommended that in order to maintain very accurate readings, the unit should be calibrated on an annual basis using a pH buffer solution. This applies not only to this unit, but to any other pH meter available for purchase as well (even though other advertisers conveniently forget to mention this!). We are able to supply the pH buffers for the above unit for an additional $5.95. Should you not purchase the buffers, they are available from places such as pet shops and aquariums for $25.00 upwards.



Material Dimensions Each Sachet Makes up
Chemical Solutions 80 x 64 mm 250 mL

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