--- product_id: 639105522 title: "WLR Industries Hanna HI774 Phosphate Ultra Low Range Colorimeter for Marine and Saltwater appllications Phosphate Checker" brand: "wlr industries" price: "FREE" currency: TND in_stock: false reviews_count: 5 url: https://www.desertcart.tn/products/639105522-wlr-industries-hanna-hi774-phosphate-ultra-low-range-colorimeter-marine store_origin: TN region: Tunisia --- # Marine & saltwater optimized Compact & portable design Ultra low range precision WLR Industries Hanna HI774 Phosphate Ultra Low Range Colorimeter for Marine and Saltwater appllications Phosphate Checker **Brand:** wlr industries **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🌊 Keep your reef thriving with pinpoint phosphate precision! ## Quick Answers - **What is this?** WLR Industries Hanna HI774 Phosphate Ultra Low Range Colorimeter for Marine and Saltwater appllications Phosphate Checker by wlr industries - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/639105522-wlr-industries-hanna-hi774-phosphate-ultra-low-range-colorimeter-marine) ## 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 - • **Coral-Safe Monitoring:** Prevents algae overgrowth by keeping phosphate in check - • **On-the-Go Portability:** Compact, lightweight design fits perfectly in your field kit - • **User-Friendly Interface:** Simple button operation for quick, hassle-free testing - • **Marine-Grade Reliability:** Specifically calibrated for saltwater and reef tank environments - • **Precision Phosphate Detection:** Detects ultra-low phosphate levels critical for coral health ## Overview The Hanna HI774 is a handheld colorimeter designed for ultra-low range phosphate measurement in marine and saltwater aquariums. Its compact, portable design and user-friendly interface make it ideal for reef tank enthusiasts and marine biologists seeking precise, on-the-spot water chemistry insights to maintain coral health and prevent algae growth. ## Description The HI774 is a cost-effective way to measure phosphate in marine systems, including reef tanks. Testing for phosphates is standard practice for saltwater aquariums and provides valuable insight into your reef tank's water chemistry to help ensure long-term coral health. Phosphates are one of the many forms of phosphorus compounds found in marine waters. Excessive phosphate levels can prevent calcification, skeletal formation, and growth of many coral species, particularly those referred to as SPS or small-polyp stony. In addition, high phosphate levels can cause nuisance algae growth in your reef tank. This can become problematic because algae often outcompetes sessile organisms for light, nutrients, and space, jeopardizing long term coral health in your reef. ## Features - Hanna HI774 : Low Range Phosphate Tester is designed for direct measurement - 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. - 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 | B0D7N8H2LP | | Batteries Included | Yes | | Batteries Required | Yes | | Color | Green | | Customer Reviews | 4.7 4.7 out of 5 stars (136) 4.7 out of 5 stars | | Date First Available | 27 June 2024 | | Item Model Number | 774 | | Item Weight | 0.29 g | | Package Dimensions | 19.2 x 12.4 x 7.11 cm; 0.29 g | | Pet Life Stage | Adult | | Quantity | 1 | | Specific Uses | Water Aquarium checker tester | ## Images ![WLR Industries Hanna HI774 Phosphate Ultra Low Range Colorimeter for Marine and Saltwater appllications Phosphate Checker - Image 1](https://m.media-amazon.com/images/I/41Ti7GycM9L.jpg) ![WLR Industries Hanna HI774 Phosphate Ultra Low Range Colorimeter for Marine and Saltwater appllications Phosphate Checker - Image 2](https://m.media-amazon.com/images/I/21lwMDIJTvL.jpg) ![WLR Industries Hanna HI774 Phosphate Ultra Low Range Colorimeter for Marine and Saltwater appllications Phosphate Checker - Image 3](https://m.media-amazon.com/images/I/61wcsSL1nqL.jpg) ![WLR Industries Hanna HI774 Phosphate Ultra Low Range Colorimeter for Marine and Saltwater appllications Phosphate Checker - Image 4](https://m.media-amazon.com/images/I/21Ibc7QSfPL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Slow delivery *by on Reviewed in the United Kingdom 23 June 2026* It's a great piece of kit. I'm colour blind so trying to match colour on a chart is really difficult. This is far more accurate because its numbers not a chart. Would I recommend ,absolutely. My only gripe is delivery took a long time. ### ⭐⭐⭐⭐⭐ Perfecto!! *by on Reviewed in Mexico 18 July 2026* Excelente fácil de usar y súper exacto !! ### ⭐⭐⭐⭐⭐ Hanna testers work well! *by on Reviewed in the United States 11 June 2026* This is very accurate & work’s well. I use for saltwater fish tank, along with the other ones by Hanna institute’s. I test for nitrate, nitrite, copper testing for treating sick fish. It’s important to know what is in the water for optimal fish health. ## Frequently Bought Together - WLR Industries Hanna HI774 Phosphate Ultra Low Range Colorimeter for Marine and Saltwater appllications Phosphate checker - Hanna Instruments High Range Nitrate Checker HI782 - WLR Industries Hanna HI772 checker Saltwater Aquarium Alkalinity Colorimeter Checker Tester --- ## 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.tn/products/639105522-wlr-industries-hanna-hi774-phosphate-ultra-low-range-colorimeter-marine](https://www.desertcart.tn/products/639105522-wlr-industries-hanna-hi774-phosphate-ultra-low-range-colorimeter-marine) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-16*