Quickly calibrate your pH meter in the field. To make your own fresh buffer solutions, simply dissolve a tablet in 20ml of distilled water. Each package contains five cards of 10 tablets each.
Quickly calibrate your pH meter in the field. To make your own fresh buffer solutions, simply dissolve a tablet in 20ml of distilled water. Each package contains five cards of 10 tablets each.
Discontinued!
This product has been discontinued and is no longer available.
There is no direct replacement, however we recommend the:
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