---
product_id: 369052009
title: "Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (2 Set - 50 Tests)"
brand: "hanna instruments"
price: "1298 DH"
currency: MAD
in_stock: false
reviews_count: 5
category: "Hanna Instruments"
url: https://www.desertcart.ma/products/369052009-hanna-instruments-hi774-25-phosphate-ultra-low-range-checker-hc
store_origin: MA
region: Morocco
---

# Ultra low range detection 0.00-0.90 ppm phosphate Fast, accurate colorimetric results Pre-measured high purity reagents Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (2 Set - 50 Tests)

**Brand:** hanna instruments
**Price:** 1298 DH
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Stay ahead with ultra-precise phosphate testing—because your water deserves the best!

## Quick Answers

- **What is this?** Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (2 Set - 50 Tests) by hanna instruments
- **How much does it cost?** 1298 DH with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/369052009-hanna-instruments-hi774-25-phosphate-ultra-low-range-checker-hc)

## 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

- • **Compact & Convenient:** Lightweight, portable reagent sets designed for on-the-go professionals and field experts.
- • **Precision in Every Drop:** Pre-measured reagents ensure consistent, lab-grade accuracy every test.
- • **Direct Phosphate Readings:** No conversions needed—results display phosphate levels directly in ppm for instant clarity.
- • **Effortless Testing Workflow:** Simply add reagent packet and read results—minimal steps, maximum efficiency.
- • **Tailored for Critical Water Quality:** Perfect for aquariums, aquaculture, and environmental monitoring where precision matters.

## Overview

The Hanna Instruments HI774-25 reagent set offers pre-measured, high-purity chemicals designed for ultra low range phosphate testing (0.00 to 0.90 ppm). Compatible with the HI774 Ultra Low Range Phosphate Checker HC, it delivers fast, direct phosphate readings via a simple colorimetric method, ideal for aquariums, aquaculture, and environmental water quality monitoring.

## 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. Easier to use and more accurate than chemical test kits; Dedicated to a single parameter; Small size, big convenience; Ideal for: Aquariums, Environmental, Aquaculture, Water Quality.

Review: This is where Hannah makes their millions. Mr and Mrs. HANNAH know that without their regeants, the little eggs are useless. But they do a good job giv8ng accurate test results.
Review: Alkalinity is very important in your saltwater aquarium and I absolutely love this product.

## Features

- Pre-made reagents for ease of use
- Prepared with high purity chemicals
- HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a conversion but read directly in parts per million phosphates compared to parts per billion phosphorus.
- Ideal for: Aquariums, Environmental, Aquaculture, Water Quality

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09CHH2649 |
| Batteries Included | No |
| Customer Reviews | 4.6 4.6 out of 5 stars (143) |
| Date First Available | 18 August 2021 |
| Item Weight | 45 g |
| Package Dimensions | 13.97 x 11.43 x 4.32 cm; 45 g |
| Quantity | 1 |
| batteries required | Yes |

## Product Details

- **Brand:** Hanna Instruments
- **Item weight:** 0.05 Kilograms
- **Manufacturer:** Hanna Instruments
- **Product grade:** Reagent

## Images

![Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (2 Set - 50 Tests) - Image 1](https://m.media-amazon.com/images/I/61npaGUwCZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by L***R on 15 August 2025*

This is where Hannah makes their millions. Mr and Mrs. HANNAH know that without their regeants, the little eggs are useless. But they do a good job giv8ng accurate test results.

### ⭐⭐⭐⭐⭐ Review
*by J***6 on 31 May 2025*

Alkalinity is very important in your saltwater aquarium and I absolutely love this product.

### ⭐⭐⭐⭐⭐ Review
*by T***A on 19 March 2025*

Great Easy to use

## Frequently Bought Together

- HI774-25 Hanna Instruments Phosphate Ultra Low Range Checker HC Reagents (2 Set - 50 Tests)
- Hanna Instruments HI782-25 Marine Nitrate High Range Checker Reagents (25 Tests)
- WLR Industries Hanna HI772-26 REAGENTS - 2 Pack - for HI772 checker Saltwater Aquarium Alkalinity Colorimeter Checker Tester - 50 Test Pack

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*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-01-24*