Brightwell Aquatics Refractometer & Hydrometer Calibration Standard

Refractometer & Hydrometer Calibration Standard – Precision Saltwater Accuracy

Ensure your reef tank measurements are always accurate with this professional-grade calibration solution. Designed for refractometers and hydrometers, this standard provides a reliable reference point for seawater salinity testing.

Perfect for marine aquarists who demand precision in water parameter control.

🌊 Key Specifications (Reference Standard)

✔️ Specific Gravity: 1.0264
✔️ Salinity: 35 ppt
✔️ Refractive Index: 1.3394
✔️ Conductivity: 53 µS/cm at 25°C

🧪 Key Benefits

✔️ Ensures accurate salinity readings
✔️ Calibrates refractometers & hydrometers
✔️ Essential for reef tank stability
✔️ Professional-grade reference solution
✔️ Improves accuracy of coral & fish husbandry

📏 Available Size

250ml

🧴 How to Use (Hydrometer)

1. Rinse hydrometer with distilled water
2. Fill carefully with calibration fluid
3. Remove bubbles by tapping gently
4. Read at 25°C (77°F)
5. Expected reading: 1.026 SG

💡 Why It Matters

Incorrect salinity readings can lead to coral stress, fish disease, and instability in reef systems. This calibration solution ensures your testing instruments remain precise and trustworthy.

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