--- product_id: 11931792 title: "Hanna Instruments HI3812 Single Parameter Hardness Test Kit, For 100 Tests" brand: "hanna instruments" price: "RM584" currency: MYR in_stock: true reviews_count: 9 category: "Hanna Instruments" url: https://www.desertcart.com.my/products/11931792-hanna-instruments-hi3812-single-parameter-hardness-test-kit-for-100 store_origin: MY region: Malaysia --- # 10mL indicator 0.3mg/L increment 30mL buffer Hanna Instruments HI3812 Single Parameter Hardness Test Kit, For 100 Tests **Brand:** hanna instruments **Price:** RM584 **Availability:** ✅ In Stock ## Summary > 💧 Dive into Precision Testing! ## Quick Answers - **What is this?** Hanna Instruments HI3812 Single Parameter Hardness Test Kit, For 100 Tests by hanna instruments - **How much does it cost?** RM584 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/11931792-hanna-instruments-hi3812-single-parameter-hardness-test-kit-for-100) ## Best For - hanna instruments enthusiasts ## Why This Product - Trusted hanna instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Comprehensive Kit:** Includes all essentials for 100 tests—everything you need in one box! - • **Precision Testing:** Achieve accurate results with a range of 0.0-30.0 mg/L and 0-300 mg/L. - • **Portable Convenience:** Compact and lightweight, perfect for on-the-go testing in any environment. - • **User-Friendly Design:** Simple setup with easy-to-follow instructions for hassle-free testing. - • **Reliable Chemical Method:** Utilizes the trusted EDTA method for consistent and dependable results. ## Overview The Hanna Instruments HI3812 Single Parameter Hardness Test Kit is designed for accurate water hardness testing, providing up to 100 tests with a comprehensive set of reagents and tools. It features a precise measurement range and user-friendly components, making it ideal for both professionals and enthusiasts. ## Description Water hardness has traditionally been defined as the capacity of water to precipitate soap. The ionic species in the water causing the precipitation was later found to be primarily calcium and magnesium. In the present, therefore, water hardness is actually a quantitative measure of these ions in the water sample. It is also now known that certain other ion species, such as iron, zinc and manganese, contribute to the overall water hardness. The measure and subsequent control of water hardness is essential to prevent scaling and clogging in water pipes. The HI 3812 test kit tests the hardness level as milligram per liter (ppm) calcium carbonate, via an EDTA (ethylene-diamine-tetraacetic acid) titration. The HI 3812 test kit tests the hardness level as milligram per liter (ppm) calcium carbonate is determined by an EDTA (ethylene-diamine-tetraacetic acid) titration. HI 3812 test kit comes with 30mL hardness buffer, 10mL calmagite indicator, 120mL EDTA solution, 20mL plastic beaker with cap, 50mL plastic beaker with cap and 1mL syringe with tip. Review: Clear and easy to follow instructions - Instructions are very clear and easy to follow. The test results are quiet accurate as far as I can tell. I've used the kit to test if my water softener is working, and to set it to correct water hardness level. The only minor inconvenience is that the test kit gives results in ppm, while water softener accepts results in gpg. Would be nice if the conversion table was included in the kit, but there are plenty of online converters available. Review: Simple enough to use. Fairly basic high school chemistry ... - Simple enough to use. Fairly basic high school chemistry, though you don't need to understand what's going on to follow the directions and get a result. I have determined that my water hardness varies from week to week - I have measured from 8 to 10 grains. The instructions do not result in an answer in grains, but the conversion is on the internet. ## Features - HI 3812 test kit comes with 30mL hardness buffer, 10mL calmagite indicator, 120mL EDTA solution, 20mL plastic beaker with cap, 50mL plastic beaker with cap and 1mL syringe with tip - Kit for 100 tests - Range: 0.0-30.0 milligram per liter (ppm), 0-300 milligram per liter (ppm) - Smallest Increment: 0.3 milligram per liter [0-30 milligram per liter range], 3 milligram per liter [0-300 milligram per liter range] - Chemical method: EDTA ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0085WWPLW | | Age Range (Description) | Adult | | Age Range Description | Adult | | Best Sellers Rank | #572,193 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #156 in Hardness Testing Equipment | | Brand | Hanna Instruments | | Brand Name | Hanna Instruments | | Customer Reviews | 4.3 out of 5 stars 15 Reviews | | Display Type | Analog | | Included Components | HI3812 test kit comes with 30 mL hardness buffer, 10 mL calmagite indicator, 120 mL EDTA solution, 20 mL plastic beaker with cap, 50 mL plastic beaker with cap and 1 mL syringe with tip. Included Components HI3812 test kit comes with 30 mL hardness buffer, 10 mL calmagite indicator, 120 mL EDTA solution, 20 mL plastic beaker with cap, 50 mL plastic beaker with cap and 1 mL syringe with tip. See more | | Manufacturer | Hanna Instruments | | Manufacturer Part Number | HI3812 | | Model Number | HI3812 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Hanna Instruments - **Included Components:** HI3812 test kit comes with 30 mL hardness buffer, 10 mL calmagite indicator, 120 mL EDTA solution, 20 mL plastic beaker with cap, 50 mL plastic beaker with cap and 1 mL syringe with tip. - **Display Type:** Analog - **Age Range (Description):** Adult - **Manufacturer:** Hanna Instruments ## Images ![Hanna Instruments HI3812 Single Parameter Hardness Test Kit, For 100 Tests - Image 1](https://m.media-amazon.com/images/I/51rJiP0Y7cL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Clear and easy to follow instructions *by V***® on September 19, 2014* Instructions are very clear and easy to follow. The test results are quiet accurate as far as I can tell. I've used the kit to test if my water softener is working, and to set it to correct water hardness level. The only minor inconvenience is that the test kit gives results in ppm, while water softener accepts results in gpg. Would be nice if the conversion table was included in the kit, but there are plenty of online converters available. ### ⭐⭐⭐⭐⭐ Simple enough to use. Fairly basic high school chemistry ... *by I***N on November 21, 2014* Simple enough to use. Fairly basic high school chemistry, though you don't need to understand what's going on to follow the directions and get a result. I have determined that my water hardness varies from week to week - I have measured from 8 to 10 grains. The instructions do not result in an answer in grains, but the conversion is on the internet. ### ⭐⭐⭐⭐ Fairly easy for middle school students to use *by S***N on April 17, 2014* This kit has detailed instructions, which is good, because you will need them to make sure the procedures are executed correctly to get good results. My sixth grade daughter used this kit for a science experiment and had a few problems getting the right number of drops to come out, but overall she found the test kit easy to use. --- ## 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.com.my/products/11931792-hanna-instruments-hi3812-single-parameter-hardness-test-kit-for-100](https://www.desertcart.com.my/products/11931792-hanna-instruments-hi3812-single-parameter-hardness-test-kit-for-100) --- *Product available on Desertcart Malaysia* *Store origin: MY* *Last updated: 2026-06-09*