- Sku: HI96822
- Vendor: Hanna
Hanna Instruments 96822 / HI96822 | Digital Refractometer for Seawater Analysis | Marine & Reef Aquarium Salinity Tester – Free Shipping
Get precise, hassle-free salinity readings for your reef or marine aquarium with the Hanna Instruments HI96822 Digital Refractometer for Seawater Analysis. This professional-grade refractometer delivers instant, accurate results in PSU, ppt, or specific gravity, helping you keep your aquarium's salinity perfectly balanced for corals and fish. Built for reliability and convenience, it’s a favorite among reef keepers and aquaculture professionals — and it ships free from Squeaky’s Aquatics.
- Measures salinity in PSU, ppt, and specific gravity (S.G. 20/20)
- Automatic temperature compensation for consistent accuracy
- Fast 1.5-second reading time with high-contrast dual-level LCD
- Sealed stainless steel sample well with flint glass prism — durable and easy to clean
- One-point calibration using distilled or deionized water
- Compact, IP65 water-resistant design
- Ideal for seawater mixing, coral propagation, and aquarium maintenance
- Free shipping included on this item!
Built for Reefkeepers
In saltwater and reef aquariums, stable salinity is essential for coral growth and fish health. The HI96822 offers fast, accurate readings so you can verify water changes and salt mixes with confidence. It’s a perfect pairing with other Hanna Checkers and aquarium testing tools for maintaining balanced water chemistry.
Water Type Compatibility
- ✅ Saltwater / Reef Aquariums
- ✅ Marine Fish-Only Systems
- ✅ Brackish and Aquaculture Environments
More Information
| Brand | Hanna Instruments |
| Product Type | Digital Refractometer |
| Application | Saltwater, Reef, Brackish, Aquaculture |
| Range | 0–50 PSU / 0–150 ppt / 1.000–1.114 S.G. |
| Accuracy | ±2 PSU / ±2 ppt / ±0.002 S.G. |
| Temperature Range | 0.0–80.0°C (32.0–176.0°F) |
| Temperature Accuracy | ±0.3°C (±0.5°F) |
| Resolution | 1 PSU / 1 ppt / 0.001 S.G. |
| Automatic Temperature Compensation | 10–40°C (50–104°F) |
| Minimum Sample Volume | 100 μL (2 drops) |
| Measurement Time | 1.5 seconds |
| Auto Shut-Off | After 3 minutes of non-use |
| Protection | IP65 Water Resistant |
| Dimensions | 192 × 102 × 67 mm |
| Weight | 420 g |
| Warranty | 2 Years |
| Item # | HI96822 |
| Condition | New |
| MSRP | $299.99 |
| Availability | Ships same or next business day – Free Shipping Included |
| Made In | Romania |
Pro Tip: Calibrate the HI96822 with distilled water before use, then verify readings alongside your digital testing meters for a complete reef parameter check. Perfect for verifying salt mixes, frag tank stability, and salinity adjustments after dosing or top-offs.
FAQ
- Is this suitable for reef aquariums? Yes, it’s designed for precise control of reef and marine salinity.
- Can it be used for brackish systems? Absolutely — it’s ideal for brackish and aquaculture setups.
- Does it need calibration fluid? No, simply calibrate with distilled or deionized water.
- Is it waterproof? The body is water-resistant (IP65) and the sample well is stainless steel.
- Is shipping really free? Yes — this item qualifies for free shipping from Squeaky’s Aquatics.
Have a question?
Hanna Instruments 96822 / HI96822 | Digital Refractometer for Seawater Analysis | Marine & Reef Aquarium Salinity Tester – Free Shipping