--- product_id: 105936972 title: "Continuum Reagents Refractometer Calibration Standard – Seawater Reference for Calibration of Density Measuring Equipment, 60 ml" brand: "continuum aquatics" price: "£8.09" currency: GBP in_stock: true category: "Continuum Aquatics" url: https://www.desertcart.co.uk/products/105936972-continuum-reagents-refractometer-calibration-standard-seawater-reference-for-calibration-density store_origin: GB region: United Kingdom --- # 35 ppt Salinity 1.3394 Refractive Index 1.0264 Specific Gravity Continuum Reagents Refractometer Calibration Standard – Seawater Reference for Calibration of Density Measuring Equipment, 60 ml **Brand:** continuum aquatics **Price:** £8.09 **Availability:** ✅ In Stock ## Summary > 🌟 Calibrate with Confidence, Measure with Mastery! ## Quick Answers - **What is this?** Continuum Reagents Refractometer Calibration Standard – Seawater Reference for Calibration of Density Measuring Equipment, 60 ml by continuum aquatics - **How much does it cost?** £8.09 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/105936972-continuum-reagents-refractometer-calibration-standard-seawater-reference-for-calibration-density) ## Best For - continuum aquatics enthusiasts ## Why This Product - Trusted continuum aquatics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Perfectly suited for all density measuring equipment across all life stages. - • **Rapid & Reliable Results:** Quickly restore your instruments to factory-level precision with ease. - • **Trusted by Professionals:** Join 300+ users who rely on this standard for flawless marine measurements. - • **Consistent Salinity Standard:** 35 ppt salinity mimics real seawater conditions for reliable calibration. - • **Precision-Calibrated for Accuracy:** Ensure your seawater refractometers and hydrometers deliver spot-on readings every time. ## Overview The Continuum Reagents Refractometer Calibration Standard is a 60 ml seawater reference solution with 35 ppt salinity, 1.0264 specific gravity, and 1.3394 refractive index. Designed for precise calibration of seawater refractometers, hydrometers, and density measuring devices, it guarantees accurate, consistent readings trusted by professionals in marine and laboratory settings. ## Description Continuum Reagents Refractometer Calibration Standard is designed to provide an accurate reference for the calibration of seawater refractometers, hydrometers and other density measuring equipment. ## Features - Designed to provide an accurate reference for the calibration of seawater refractometers, hydrometers and other density measuring equipment - 35 ppt Salinity - 1.0264 Specific Gravity - 1.3394 Refractive Index - 53 uS/cm at 25 deg c - Age range description: All Life Stages ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B077TQWN5X | | ASIN | B077TQWN5X | | Age Range Description | All Life Stages | | Best Sellers Rank | #15,913 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #84 in Substance Analysis Instrumentation | | Brand Name | Continuum Aquatics | | Customer Reviews | 4.1 4.1 out of 5 stars (306) | | Date First Available | November 29, 2017 | | Date First Available | November 29, 2017 | | Directions | 1. Shake product well before using. 2. Clean Refractometer prism slide with fresh distilled water. 3. Dry completely with fresh soft clean cloth. Observe to make sure slide looks clean with no residue. 4. Follow manufacturers directions to place several drops of Continuum Refractometer ¯ Hydrometer Calibration Standard fluid on the slide. 5. Wait 40 seconds and calibrate to 35 ppt Salinity. 6. Cle… | | Included Components | Refractometer Calibration Standard | | Is Discontinued By Manufacturer | No | | Item Dimensions LxWxH | 1.38 x 1.38 x 4.25 inches | | Item Package Dimensions L x W x H | 4.17 x 1.34 x 1.22 inches | | Item Weight | 2.39 ounces | | Item model number | QRES60 | | Item model number | QRES60 | | Manufacturer | Brightwell Aquatics | | Manufacturer | Brightwell Aquatics | | Model Name | Refractometer Calibration Standard | | Number of Items | 20 | | Product Dimensions | 1.38 x 1.38 x 4.25 inches; 2.4 ounces | | Size | 60 ml | | Target Audience Keyword | Fish | ## Images ![Continuum Reagents Refractometer Calibration Standard – Seawater Reference for Calibration of Density Measuring Equipment, 60 ml - Image 1](https://m.media-amazon.com/images/I/517ijRZ9hZL.jpg) ![Continuum Reagents Refractometer Calibration Standard – Seawater Reference for Calibration of Density Measuring Equipment, 60 ml - Image 2](https://m.media-amazon.com/images/I/81SuxhzLJSL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Continuum Reagents Refractometer Calibration Standard – Seawater Reference for Calibration of Density Measuring Equipment, 60 ml - API SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/105936972-continuum-reagents-refractometer-calibration-standard-seawater-reference-for-calibration-density](https://www.desertcart.co.uk/products/105936972-continuum-reagents-refractometer-calibration-standard-seawater-reference-for-calibration-density) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-27*