
HM Digital 20 pack mix of 1000 ppm TDS, pH 4, pH7, pH storage solutions

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Is the HM Digital 20-Pack Assorted Calibration Solutions Right for You?
If you need accurate calibration for your water testing instruments, the HM Digital 20-Pack Assorted Calibration Solutions is a reliable choice. This pack includes pH 4 and pH 7 buffer solutions, pH storage solution, and 1000 ppm TDS calibration solution, ensuring precise measurements for pH meters, TDS meters, and EC testers.
- Features & Benefits
- Product Specifications
- What is included?
- Warranty Policy
HM Digital 20-Pack Assorted Calibration Solutions
The HM Digital 20-Pack Assorted Calibration Solutions is designed to maintain the accuracy of your pH meters, TDS meters, and EC testers. This set provides essential calibration and storage solutions to ensure consistent and reliable water quality measurements for various applications.

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pH 4 & pH 7 buffers for precise calibration.
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1000 ppm TDS solution for accuracy.
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pH storage solution extends electrode life.
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Pre-measured 20ml packets for convenience.
Why Choose the HM Digital 20-Pack Assorted Calibration Solutions?
The HM Digital 20-Pack Assorted Calibration Solutions is an essential kit for maintaining the accuracy of your pH meters, TDS meters, and EC testers. This pack includes pH 4 and pH 7 buffer solutions, 1000 ppm TDS calibration solution, and pH storage solution, ensuring your testing devices remain precise and reliable. With pre-measured 20 ml packets, calibration is quick and hassle-free. Whether for professional use or home water testing, this set provides the convenience and consistency needed for accurate readings.
Why HM Digital?
HM Digital is a trusted name in water quality testing, offering innovative and reliable solutions for growers, aquarium enthusiasts, and professionals. Designed for precision, its advanced meters provide accurate TDS and temperature readings, ensuring optimal water conditions. With user-friendly features like digital calibration and a durable, water-resistant design, HM Digital products help you maintain consistency and efficiency in your water monitoring routine.

Why Buy From Us?
At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.
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Specifications
HM Digital 20-Pack Assorted Calibration Solutions Specifications | |
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Solution Types | pH 4 buffer, pH 7 buffer, pH storage solution, 1000 ppm TDS calibration solution |
Packet Size | 20 ml per packet |
Total Packets | 20 (5 packets per solution type) |
pH Buffer Accuracy | ±0.01 pH |
TDS Calibration Solution | 1000 ppm (NaCl-based) |
Storage Solution Purpose | Maintains and extends pH electrode lifespan |
Usage | For calibrating pH meters, TDS meters, and EC testers |
Shelf Life | Check packaging for expiration date |
Storage Conditions | Store in a cool, dry place away from direct sunlight |
What’s in the Box?
The HM Digital 20-Pack Assorted Calibration Solutions package includes:
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5 x 20 ml pH 4 buffer solution packets
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5 x 20 ml pH 7 buffer solution packets
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5 x 20 ml pH storage solution packets
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5 x 20 ml 1000 ppm TDS calibration solution packets
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User guide with calibration instructions

Warranty Policy
Please check out the manufacturers website for Warranty related issues.