Fauna Marin Salinity Reference 100ml, 35ppt
SKU: FM-SREF-25
- Fauna Marin Salinity Reference is a 100ml calibration solution set to 35 ppt salinity.
- It is made to check and calibrate refractometers, hydrometers, and digital salinity testers.
- A fixed 35 ppt reference value confirms your salinity readings are accurate, not just consistent.
Fauna Marin
Fauna Marin is a German manufacturer offering an extensive, successful product line that includes coral and fish foods, water treatments, lab tests, and equipment.
Salinity Calibration Solution for Reef Aquarium Refractometers
Fauna Marin Salinity Reference 100ml is a calibration solution held at a fixed 35 ppt salinity. It gives you a known, stable reference point to check whether your refractometer, hydrometer, or digital salinity tester is reading correctly.
Salinity meters can drift out of calibration over time, and a drifted reading can throw off water changes without any obvious warning sign. This solution is produced in-house by Fauna Marin in Germany, the same operation behind the brand's ICP water testing, so the 35 ppt value it's built around is one you can rely on as a fixed point of comparison.
Key Features:
- Fixed 35 ppt salinity reference for calibration checks
- 100ml bottle, sized for repeated use over many calibration checks
- Compatible with refractometers, hydrometers, and digital salinity/conductivity testers
- Produced in-house in Germany by Fauna Marin
- Empty bottle can go in household waste or recycling per local rules
Ideal For:
- Hobbyists who want to confirm a refractometer or hydrometer is still reading salinity correctly
- Reef keepers using digital salinity probes that need periodic calibration checks
- Anyone troubleshooting inconsistent salinity readings between test tools
Pro Tips:
- Check calibration on a schedule, not just when something seems off. Refractometers and probes can drift gradually, so testing against this reference every few months catches small errors before they affect a water change.
- Rinse and dry your tool before testing. Residue from tank water or a prior test can throw off the reading, so a clean, dry prism or probe tip gives a truer comparison against the 35 ppt reference.
What's Included:
- Fauna Marin Salinity Reference solution, 100ml bottle
Specifications:
- Volume: 100 ml
- Reference salinity: 35 ppt
- Manufacturing: Produced in-house in Germany by Fauna Marin
- Compatible with: Refractometers, hydrometers, digital salinity and conductivity testers
- SKU: FM-SREF-25
While most of our equipment carries a one-year manufacturer's warranty, consumable products like fish and coral foods are not covered under traditional warranty terms due to their perishable nature and varied storage conditions. However, we fully stand behind the quality of every product we sell. If you experience any issues with your food purchase shortly after receiving it, such as concerns about freshness, packaging integrity, or product quality, please contact us at [email protected]. We're committed to making it right and will work with you to resolve any problems quickly and fairly.
Instructions:
- Rinse and dry your refractometer prism, hydrometer, or probe tip before testing.
- Apply a few drops of the Salinity Reference solution (or submerge the probe, per your device's instructions).
- Compare the reading to the reference value of 35 ppt.
- If the reading is off, recalibrate your device per its manufacturer's instructions.
- Reseal the bottle tightly after use and store at room temperature.
Safety:
- Keep out of reach of children.
- Not for consumption.
- For aquarium calibration use only.
- Dispose of the empty bottle with household waste or recycling, per local regulations.