Keep Your Hanna Marine Ammonia Checker Accurate and Ready for Every Test

Maintain reliable ammonia testing with the Hanna HI784-25 Marine Ammonia Checker Reagents. These genuine Hanna replacement reagents are specifically designed for use with the HI784 Marine Ammonia Checker HC, providing fast, accurate, and repeatable digital ammonia measurements for saltwater aquariums.

Each package contains enough reagent to perform 25 marine ammonia tests, making it easy to monitor one of the most critical water quality parameters in your aquarium. Whether you're cycling a new system, quarantining livestock, or maintaining an established reef, accurate ammonia testing helps protect your fish and invertebrates from harmful spikes.

Manufactured using high-purity chemicals, every reagent is lot numbered and expiration dated to ensure consistent performance and dependable results.

Key Features

• Genuine Hanna Instruments replacement reagents
• Performs 25 Marine Ammonia tests
• Designed specifically for the HI784 Marine Ammonia Checker HC
• Pre-measured reagents for fast, convenient testing
• High-purity chemicals for accurate, repeatable results
• Lot numbered and expiration dated for quality assurance
• Perfect for reef, fish-only, and quarantine aquariums

Compatibility

Compatible with:

• Hanna HI784 Marine Ammonia Checker HC

These reagents are designed exclusively for use with the HI784 Marine Ammonia Checker.

Specifications

• Part Number: HI784-25
• Quantity: 25 Tests
• Parameter: Marine Ammonia
• Method: Colorimetric
• For Saltwater Aquariums

What's Included

• Hanna HI784-25 Marine Ammonia Checker Reagents
• 25 Individual Test Reagents

Why You'll Love It

Ammonia is one of the most dangerous compounds in any marine aquarium. Even small amounts can stress or harm fish and invertebrates. Genuine Hanna HI784-25 reagents ensure your Marine Ammonia Checker continues providing fast, dependable digital readings, allowing you to detect problems early and take action before they become serious.

Ideal for new aquarium setups, quarantine systems, hospital tanks, and established reef aquariums, these replacement reagents help you monitor water quality with confidence.

Why Buy from Infinity and Beyond Aquatics?

At Infinity and Beyond Aquatics, we stock genuine Hanna Instruments products trusted by hobbyists around the world. Whether you're cycling a new aquarium or maintaining a thriving reef, we're committed to providing premium aquarium equipment backed by knowledgeable customer service.

Shipping Information

Shipping Available Nationwide

This item ships within 1–3 business days, and tracking information will be emailed as soon as your order ships.

• FREE Standard Shipping on qualifying orders over $100 (U.S. only)
• Orders below the free shipping threshold are calculated at checkout based on your selected shipping method.
• This item is carefully packaged to help ensure it arrives in excellent condition.