Accurate Salinity Starts with Proper Calibration

Keep your salinity tester or refractometer performing at its best with the Hanna HI70024P 35.00 PPT Marine Salinity Calibration Solution. Designed specifically for saltwater aquariums, this premium NIST-traceable calibration standard ensures your equipment delivers accurate, dependable salinity measurements every time you test.

Each box contains 25 individually sealed 20 mL sachets, providing a fresh, contamination-free calibration solution every time. Unlike bottled solutions that can become contaminated after repeated use, each single-use packet guarantees maximum accuracy while eliminating waste and cross-contamination.

Standardized to 35.00 PPT at 25°C, HI70024P is ideal for calibrating the Hanna HI98319 Marine Salinity Tester, digital salinity meters, conductivity meters, and marine refractometers used by reef hobbyists and aquarium professionals.

Key Features

• Genuine Hanna Instruments calibration solution
• Standardized to 35.00 PPT at 25°C
• NIST traceable for dependable accuracy
• Includes 25 individual 20 mL single-use sachets
• Fresh solution with every calibration
• Lot numbered and expiration dated
• Light-block foil packaging helps preserve solution quality
• Compatible with digital salinity testers, conductivity meters, and marine refractometers
• Ideal for reef aquariums, fish-only systems, and saltwater mixing stations

Perfect For

• Hanna HI98319 Marine Salinity Tester
• Marine Refractometers
• Digital Salinity Meters
• Conductivity Meters
• Reef Aquariums
• Fish-Only Saltwater Aquariums
• Saltwater Mixing Stations
• Professional Aquarium Maintenance

Specifications

• Model: HI70024P
• Concentration: 35.00 PPT @ 25°C
• Quantity: 25 Sachets
• Volume: 20 mL Each
• Packaging: Single-Use Foil Sachets
• Traceability: NIST Traceable
• Shelf Life: Up to 5 years unopened

What's Included

• 25 × Hanna HI70024P 35.00 PPT Calibration Solution Sachets (20 mL Each)

Why You'll Love It

Accurate salinity is one of the most important factors in maintaining a healthy reef aquarium. Using fresh calibration solution regularly helps ensure your salinity tester or refractometer continues providing reliable readings, giving you greater confidence during water changes, salt mixing, and routine aquarium maintenance.

The convenient single-use packets eliminate contamination concerns and provide laboratory-quality calibration whenever you need it.

Why Buy from Infinity and Beyond Aquatics?

At Infinity and Beyond Aquatics, we carry genuine Hanna Instruments products trusted by reef hobbyists and professionals around the world. Whether you're calibrating your salinity tester or building a complete water testing station, we're committed to providing premium equipment and dependable customer service.

Shipping Information

Shipping Available Nationwide

This item ships within 1–3 business days, and tracking information will be emailed as soon as your order ships.

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• This item is carefully packaged to help ensure it arrives in excellent condition.