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!

HI70039G is a high quality 5000 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

HI70004G is a high quality pH 4.01 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.

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

HI50036P is a quick calibration solution for use with Hanna’s GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for  a single point calibration for pH and/or conductivity sensors. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50036P is for 25 sachets containing 20 mL of calibration solution.

• Single use so that fresh solution is always used for accurate calibration
• Two calibration solutions for the price of one
• Expiration date stamped on packet

ONLY AVAILABLE WITH MINIMUM QUANTITY
The product comes with minimum quantity of 4 units.

HI5036-012 is a quick calibration solution for use with Hanna’s GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and/or conductivity sensors. Each bottle has the lot number and expiration date. Hanna’s line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. The HI5036-012 is for 120 mL of calibration solution.

• Hermetically sealed to maintain freshness
• Two calibration solutions for the price of one
• Expiration date on label

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

HI5036-023 is a quick calibration solution for use with Hanna’s GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and/or conductivity sensors. Each bottle has the lot number and expiration date. Hanna’s line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. The HI5036-023 is for 230 mL of calibration solution.

• Hermetically sealed to maintain freshness
• Two calibration solutions for the price of one
• Expiration date on label

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

HI5036-050 is a quick calibration solution for use with Hanna’s GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and/or conductivity sensors. Each bottle has the lot number and expiration date. Hanna’s line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. The HI5036-050 is for 500 mL of calibration solution.

• Hermetically sealed to maintain freshness
• Two calibration solutions for the price of one
• Expiration date on label