--- product_id: 640928915 title: "WLR Industries Hanna HI772 checker Saltwater Aquarium Alkalinity Colorimeter Checker Tester" brand: "wlr industries" price: "VT33301" currency: VUV in_stock: false reviews_count: 5 url: https://www.desertcart.vu/products/640928915-wlr-industries-hanna-hi772-checker-saltwater-aquarium-alkalinity-colorimeter-checker store_origin: VU region: Vanuatu --- # Compact, portable design Precise alkalinity measurement (dKH) User-friendly one-button operation WLR Industries Hanna HI772 checker Saltwater Aquarium Alkalinity Colorimeter Checker Tester **Brand:** wlr industries **Price:** VT33301 **Availability:** ❌ Out of Stock ## Summary > 🌊 Master your marine world with pinpoint alkalinity accuracy! ## Quick Answers - **What is this?** WLR Industries Hanna HI772 checker Saltwater Aquarium Alkalinity Colorimeter Checker Tester by wlr industries - **How much does it cost?** VT33301 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/640928915-wlr-industries-hanna-hi772-checker-saltwater-aquarium-alkalinity-colorimeter-checker) ## Best For - wlr industries enthusiasts ## Why This Product - Trusted wlr industries brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No Guesswork, Just Numbers:** Digital colorimeter delivers clear numerical results, eliminating subjective color matching. - • **Engineered for Marine Mastery:** Specifically designed for saltwater environments to support coral skeletal growth and pH stability. - • **Take It Anywhere, Test Anytime:** Sleek, lightweight, and portable—perfect for on-the-go marine biologists and aquarium pros. - • **Precision that Protects Your Reef:** Get exact alkalinity readings in dKH to maintain optimal coral health and water balance. - • **Trusted by Experts & Hobbyists Alike:** Highly rated with 4.7 stars, a must-have tool for serious reef keepers and professionals. ## Overview The Hanna HI772 Checker is a handheld colorimeter designed for precise, direct measurement of alkalinity in saltwater aquariums. Compact and portable, it offers quick, reliable digital readings in carbonate hardness (dKH), essential for coral reef health and pH buffering. With simple one-button operation and expert-level accuracy, it’s the go-to tool for marine biologists and reef enthusiasts aiming to protect and optimize their aquatic ecosystems. ## Description HI772 Hanna checker for testing in saltwater applications. The HI772 (Handheld Colorimeter) provides a simple, accurate, and cost-effective way to measure alkalinity in degrees of carbonate hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides the carbonate ion required for calcium carbonate skeletal regeneration of coral reefs, but it also acts as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI772 provides quick, accurate results in a few easy steps. ## Features - Hanna Checker HI772 - Alk Checker Tester is designed for direct measurement of Alkalinity - Compact Design: With its compact and portable design, this meter is perfect for on-the-go testing in various applications. - MULTI USE - Ideal for aquariums and marine biology applications. - Our portable handheld colorimeter goes where you go. - Easy Operation: Features a user-friendly interface with simple button operation, making it easy to navigate and take measurements. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0D7K2B7RW | | Batteries Included | Yes | | Batteries Required | Yes | | Best Sellers Rank | #34,075 in Pet Supplies (See Top 100 in Pet Supplies) #198 in Aquarium Water Quality Testing & Treatment | | Color | White | | Customer Reviews | 4.7 4.7 out of 5 stars (129) 4.7 out of 5 stars | | Date First Available | 27 June 2024 | | Item Model Number | w772 | | Item Weight | 349 g | | Number Of Items | 1 | | Package Dimensions | 19.3 x 12.5 x 6.71 cm; 349 g | | Pet Life Stage | Adult | | Quantity | 1 | | Specific Uses | Water Aquarium checker tester | ## Images ![WLR Industries Hanna HI772 checker Saltwater Aquarium Alkalinity Colorimeter Checker Tester - Image 1](https://m.media-amazon.com/images/I/61q5P96nHEL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Tester Review *by on Reviewed in the United States 20 February 2026* Reefers, this product is hands down one of the best investments you can make for testing your tank. As an engineer, data accuracy means everything to me—and after comparing this testing method with nearly every other option on the market, it’s clear this one stands above the rest.Unlike traditional color-based tests where you have to guess shades and deal with tricky lighting, this system provides actual numerical values. No more squinting or second-guessing. You get precise, reliable results every time.Yes, it may cost around $400 to cover all the key parameters you need to measure, but if you’ve already invested $1,000+ in coral and $1,200 in lighting, it’s a small price to pay to protect that investment and ensure your reef’s long-term health.It took me over 15 years in the hobby to finally discover this product, and the difference has been incredible. My corals are now growing exponentially, thanks to accurate measurements and the ability to react quickly to any parameter swings.If you’re a reefer who values precision—or even a “lazy reefer” who just wants exact numbers without the guesswork—this is absolutely the product for you. ### ⭐⭐⭐⭐⭐ Good for checking on my reef *by on Reviewed in the United States 13 February 2026* Easy to use and pretty accurate ### ⭐⭐⭐⭐⭐ works great *by on Reviewed in the United States 9 November 2025* I am now a pro with this checker. Quick easy and accurate readings. I have ordered most of the Hannah checkers because this unit works so good. ## Frequently Bought Together - WLR Industries Hanna HI772 checker Saltwater Aquarium Alkalinity Colorimeter Checker Tester - WLR Industries Hanna HI774 Phosphate Ultra Low Range Colorimeter for Marine and Saltwater appllications Phosphate checker --- ## 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.vu/products/640928915-wlr-industries-hanna-hi772-checker-saltwater-aquarium-alkalinity-colorimeter-checker](https://www.desertcart.vu/products/640928915-wlr-industries-hanna-hi772-checker-saltwater-aquarium-alkalinity-colorimeter-checker) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-06-07*