HI70031G is a high quality 1413 uS/cm conductivity standard designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.

• Supplied with Certificate of Analysis
• Single-use sachets for convenience.
• Perfect for use with GroLine testers and portable meters!

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 2 units.

HI7010-023 is a high quality pH 10.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 2 years from the date of manufacture for an unopened bottle.

• Supplied with Certificate of Analysis
• Accuracy of +/- 0.02 pH @ 25°C
• Temperature chart of the actual pH value at various temperatures printed on each bottle

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 2 units.

HI7010-050 is a high quality pH 10.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 2 years from the date of manufacture for an unopened bottle.

• Supplied with Certificate of Analysis
• Accuracy of +/- 0.02 pH @ 25°C
• Temperature chart of the actual pH value at various temperatures printed on each bottle

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 5 units.

HI7004-012 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

• Supplied with Certificate of Analysis
• Accuracy of +/- 0.02 pH @ 25°C
• Temperature chart of the actual pH value at various temperatures printed on each bottle

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 2 units.

HI7004-023 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

• • Supplied with Certificate of Analysis
  • Accuracy of +/- 0.02 pH @ 25°C
  • Temperature chart of the actual pH value at various temperatures printed on each bottle

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 2 units.

HI7004-050 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

• Supplied with Certificate of Analysis
• Accuracy of +/- 0.02 pH @ 25°C
• Temperature chart of the actual pH value at various temperatures printed on each bottle

HI70007G is a high quality pH 7.01 calibration buffer designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.

• Supplied with Certificate of Analysis
• Single-use sachets for convenience.
• Perfect for use with GroLine testers and portable meters!

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 5 units.

HI7007-012 is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

• Supplied with Certificate of Analysis
• Accuracy of +/- 0.02 pH @ 25°C
• Temperature chart of the actual pH value at various temperatures printed on each bottle

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 2 units.

HI7007-023 is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

• Supplied with Certificate of Analysis
• Accuracy of +/- 0.02 pH @ 25°C
• Temperature chart of the actual pH value at various temperatures printed on each bottle

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 2 units.

HI7007-050 is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

• Supplied with Certificate of Analysis
• Accuracy of +/- 0.02 pH @ 25°C
• Temperature chart of the actual pH value at various temperatures printed on each bottle