Hanna Instruments Australia
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Sales: (03) 9769 0666   |    Mon to Fri: 8:30am – 5:00pm
Hanna Instruments Australia
Sales: (03) 9769 0666   |    Mon to Fri: 8:30am – 5:00pm

Pool Line pH 4.01 Buffer Sachets (25 x 20 mL) - HI700044P

$66.62

SKU: HI700044P Categories , ,

HI700044P Pool Line pH 4.01 buffer sachets are a premium quality buffer used to calibrate pH meters used to measure the water quality of swimming pools and spas. The solution is packaged in a convenient disposable packet and is ideal for users that perform infrequent calibrations. Each time a packet is opened it is as fresh as the day it was produced.

  • 25 sachets of buffer with 20 mL of solution
  • Accuracy of ±0.02 pH @ 25℃
  • 5 year shelf life for unopened sachets

HI700044P is a high-quality pH 4.01 calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature-controlled environment monitored with certified thermometers. Reported values are accurate to ±0.02 pH @ 25℃ and are traceable to NIST Standard Reference Materials (SRMs).

Convenience of individual packaging

  • Ideal for users that do not calibrate frequently
  • Every pH buffer sachet is as fresh as the day it was packaged
  • Light block packaging prevents oxidation from UV light that could alter the buffer value

Each sachet marked with lot number and expiration date.

  • Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet.
SKU HI700044P
Name Pool Line pH 4.01 Buffer Sachets (25 x 20 mL) – HI700044P
Description calibration buffer
pH Accuracy ±0.02 pH
pH Value @ 25°C 4.01
Package sachets
Quantity 25
Size 20 mL

Pool Line pH 4.01 Buffer Sachets (25 x 20 mL) – HI700044P

All prices are inclusive of GST and not all items are stock items, if you require an immediate solution please send an email to sales@hannainst.com.au or call us on (03) 9769 0666.


Free standard delivery:

We offer free delivery within Australia, typically arriving within 5 to 7 days. Delivery times may vary depending on the courier service and the recipient’s location.


Same-day express delivery:

Place your order before 1 PM Monday to Friday for the same-day express shipping. Delivery times may vary depending on the courier service and the recipient’s location.

Please note that we do not offer shipping to PO Box addresses.

All prices are inclusive of GST and not all items are stock items, if you require an immediate solution please send an email to sales@hannainst.com.au or call us on (03) 9769 0666.

Please note that we do not offer shipping to PO Box addresses.