---
product_id: 138092753
title: "HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store"
brand: "hanna instruments"
price: "₩65853"
currency: KRW
in_stock: true
reviews_count: 8
category: "Hanna Instruments"
url: https://www.desertcart.kr/products/138092753-hi774-25-phosphate-ultra-low-range-checker-hc-reagents-25
store_origin: KR
region: South Korea
---

# Expiration & lot traceability High purity chemical formulation Pre-measured precision packets HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store

**Brand:** hanna instruments
**Price:** ₩65853
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay ahead with ultra-precise phosphate testing — because every ppb counts!

## Quick Answers

- **What is this?** HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store by hanna instruments
- **How much does it cost?** ₩65853 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/138092753-hi774-25-phosphate-ultra-low-range-checker-hc-reagents-25)

## 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

- • **Traceable Quality:** Each packet marked with expiration date and lot number ensures consistent reliability.
- • **Effortless Accuracy:** Pre-made reagents eliminate guesswork for fast, reliable phosphate readings.
- • **Ultra-Low Detection:** Detect phosphate levels as low as 0.00 ppm with lab-grade precision.
- • **Seamless Compatibility:** Designed specifically for Hanna Instruments HI774 Ultra Low Range Checker HC.
- • **Time-Saving Convenience:** Ready-to-use packets speed up testing workflows without compromising accuracy.

## Overview

The Hanna Instruments HI774-25 reagent packets provide 25 pre-measured, high-purity chemical tests designed for ultra-low phosphate detection (0.00 to 0.90 ppm) using the Ascorbic Acid Method. Each reagent is traceable with expiration and lot numbers, ensuring consistent, fast, and accurate phosphate measurements when paired with the HI774 Checker HC.

## Description

The HI774-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Phosphate Ultra Low Range Checker HC. These reagents follow the Ascorbic Acid Method in which the reaction between phosphorus and reagents causes a blue tint in the sample. By simply adding the packet of HI774-25 reagent to the sample, the reaction will take place and the HI774 will determine the concentration from the color that is produced. The results will be displayed in ppb of phosphorus. These reagents are designed to be used with samples that have an expected range of 0.00 to 0.90 ppm phosphate.FEATURESPre-made reagents for ease of usePrepared with high purity chemicalsMarked with expiration date and lot number for traceability

Review: Correct Replacements - Exactly replacement for the packets that come with the Hanna testers.
Review: very good - good for test warter

## Features

- Pre-made reagents for ease of use
- Prepared with high purity chemicals
- Marked with expiration date and lot number for traceability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SN7NSHP |
| Best Sellers Rank | #9,204 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Analytical Reagents |
| Date First Available | June 3, 2019 |
| Item Weight | 1.13 ounces |
| Manufacturer | Hanna Instruments |
| Package Dimensions | 2.36 x 2.24 x 1.69 inches |

## Product Details

- **Brand:** Hanna Instruments
- **Global Trade Identification Number:** 00860012631049
- **Item Weight:** 0.03 Kilograms
- **Manufacturer:** Hanna Instruments
- **Package Information:** Bag

## Images

![HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store - Image 1](https://m.media-amazon.com/images/I/41l36La1ipL.jpg)

## Questions & Answers

**Q: it says expiration date 5/2021 , are they still usable?**
A: Probably, they are dry reagents.
I would suggest ordering a new batch, comparing tests, and then decide.

**Q: The photo shows an expired reagent. This are not expired are they?**
A: No there not expired.

**Q: So just to confirm hi774 is the same as hi736?**
A: Hello hi774 is NOT the same as hi736.
HI774-25 is designed to be used with samples that have an expected range of 0.00 to 0.90 ppm phosphate.
HI736-25 is designed to be used with samples that have an expected range of 0 to 200 ppb phosphorus.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Correct Replacements
*by B***6 on September 25, 2025*

Exactly replacement for the packets that come with the Hanna testers.

### ⭐⭐⭐⭐⭐ very good
*by J***R on September 12, 2025*

good for test warter

### ⭐⭐⭐⭐⭐ Good stuff
*by F***E on January 26, 2025*

Easy to use and accurate , but kinda pricy

## Frequently Bought Together

- Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store
- Hanna Instruments HI782-25 Marine Nitrate High Range Checker Reagents (25 Tests)
- HI772-26 HI755-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments

---

## 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.kr/products/138092753-hi774-25-phosphate-ultra-low-range-checker-hc-reagents-25](https://www.desertcart.kr/products/138092753-hi774-25-phosphate-ultra-low-range-checker-hc-reagents-25)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-17*