---
product_id: 59530919
title: "Refractometer Calibration Standard 60 ml"
price: "€ 16.39"
currency: EUR
in_stock: true
reviews_count: 13
url: https://www.desertcart.hr/products/59530919-refractometer-calibration-standard-60-ml
store_origin: HR
region: Croatia
---

# Reliable 1.3394 Refractive Index Exact 1.0264 Specific Gravity Precise 35 ppt Salinity Refractometer Calibration Standard 60 ml

**Price:** € 16.39
**Availability:** ✅ In Stock

## Summary

> 🌟 Calibrate like a pro, measure like a master!

## Quick Answers

- **What is this?** Refractometer Calibration Standard 60 ml
- **How much does it cost?** € 16.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/59530919-refractometer-calibration-standard-60-ml)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Consistency:** Stable 1.0264 specific gravity standard verified across multiple devices for flawless density measurements.
- • **Join the Accuracy Elite:** Preferred by 395+ users with a 4.4-star rating—don’t settle for guesswork in your aquatic measurements.
- • **Calibrate with Confidence:** Industry-grade 35 ppt salinity ensures your seawater refractometers and hydrometers deliver pinpoint accuracy every time.
- • **Precision You Can Measure:** Exact 1.3394 refractive index guarantees your instruments stay perfectly aligned with real-world seawater conditions.
- • **Optimized for Professionals:** 53 µS/cm conductivity at 25°C mimics natural seawater, making calibration relevant and reliable.

## Overview

Brightwell Aquatics Refractometer Calibration Standard 60 ml offers a precise 35 ppt salinity, 1.0264 specific gravity, and 1.3394 refractive index solution designed to perfectly calibrate seawater refractometers, hydrometers, and density measuring equipment. Trusted by hundreds of professionals, it ensures consistent, reliable readings that keep your aquatic measurements on point.

## Description

Accurate reference for the calibration of seawater refractometers, hydrometers & other density measuring equipment. 35 ppt Salinity1. 0264 Specific Gravity1. 3394 Refractive Index53 uS/cm at 25 deg c

Review: Accurate calibration std. - Advertised as 35 PPT and it was spy on, verified against 4 refractometers and 3 electronic readers. Brighter ll is always as advertised, unlike a few competitors that can be all over the map
Review: Recommend! - Recommend!

## Features

- Accurate reference for the calibration of seawater refractometers, hydrometers & other density measuring equipment
- 35 ppt Salinity
- 1. 0264 Specific Gravity
- 1. 3394 Refractive Index
- 53 uS/cm at 25 deg c

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.4 out of 5 stars 395 Reviews |

## Images

![Refractometer Calibration Standard 60 ml - Image 1](https://m.media-amazon.com/images/I/5173Yk3UDiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Accurate calibration std.
*by B***E on July 13, 2022*

Advertised as 35 PPT and it was spy on, verified against 4 refractometers and 3 electronic readers. Brighter ll is always as advertised, unlike a few competitors that can be all over the map

### ⭐⭐⭐⭐⭐ Recommend!
*by C***E on February 7, 2026*

Recommend!

### ⭐⭐⭐⭐⭐ A must for salt water tanks
*by R***N on July 13, 2025*

This is a life saver - literally. I ordered a new refractor and without this could have killed everything by drastically changing the salt % in my reef tank .

## Frequently Bought Together

- Brightwell Aquatics Refractometer Calibration Standard, Accurate Reference for The Calibration of Seawater Refractometers, Hydrometers & Other Density Measuring Equipment, RES60
- Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation
- Continuum Reagents Refractometer Calibration Standard – Seawater Reference for Calibration of Density Measuring Equipment, 60 ml

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**Shop now:** [https://www.desertcart.hr/products/59530919-refractometer-calibration-standard-60-ml](https://www.desertcart.hr/products/59530919-refractometer-calibration-standard-60-ml)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-20*