Test Kits
Brightwell Aquatics Refractometer Calibration Standard 60ml (RES60)
$6.99
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Product details
Product details
Brightwell Aquatics Refractometer Calibration Standard 60ml (RES60) is a precision reference solution for calibrating seawater salinity and density measuring tools used in marine aquariums. When your refractometer or hydrometer is read against this standard, you can help confirm you’re getting consistent, accurate salinity readings for day-to-day tank management.
Features:
- Use as a calibration reference for seawater refractometers, hydrometers and other density measuring equipment.
- Calibrates compatible salinity measuring devices to 35 ppt, an ideal reference point for marine aquariums.
- Designed to help promote saltwater stability by reducing the risk of improper salinity adjustments caused by miscalibrated tools.
- Formulated specifically for marine aquarium use, using lab-grade precision for consistent results.
- Made to be quick and simple to use with standard aquarium salinity measuring equipment.
- Packaged as a dedicated 60 ml calibration standard for periodic calibration checks.
Specifications:
- Product name (shop listing): Brightwell Aquatics Refractometer Calibration Standard 60ml (RES60)
- Use: Calibration standard for marine aquarium salinity/density measuring equipment
- Calibration reference value: 35 ppt salinity
- Volume: 60 ml
- Intended measuring devices: Refractometers and hydrometers used for aquarium salinity
- Manufacturing/brand info: Brightwell Aquatics (made in USA)




