Description
The pH 4.01 Calibration Buffer from Hanna Instruments is designed to accurately calibrate pH meters and controllers in saltwater aquariums. Each individual sachet contains 20 mL of buffer solution, ensuring precise calibration with values accurate to +/- 0.01 pH at 25°C. The sachets are made from light-block foil packaging that prevents oxidation caused by UV light, preserving the integrity of the buffer value for up to five years after manufacture. Each sachet is marked with a lot number and expiration date for traceability.
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pH 4.01 Calibration Buffer 20 ml (Pack of 10) - Hanna Instruments
by Hanna Instruments
Test Kits
Reference reading: Species guide on Codexery
Species guides on Codexery
- Purple tang — Scientific name: Zebrasoma xanthurum · Family: Acanthuridae source
- Open brain coral — Scientific name: Trachyphyllia geoffroyi · Family: Merulinidae source
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