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Due to Cyclone Alfred we may be closed on the 6th and 7th of March. Shipping times may be delayed for several days after the storm.
pH buffer solution 6.86, 1 L
pH calibration solution, purple pH 6.86 @ 25C, 1L, NIST traceable
pH calibration solution, purple pH 6.86 @ 25C, 1L, NIST traceable
Used to calibrate your pH meters.
