Description
xProduct overview
Designed as the replacement reagents for the HI782 Marine Nitrate High Range Checker HC, the HI782-25 reagents deliver a dependable, colorimetric testing experience for saltwater samples. Manufactured with care to high-purity standards, these packets arrive pre-measured for quick, repeatable tests without sacrificing accuracy.
In practice, the chemistry behind the HI782-25 uses a zinc reduction reaction that yields a pink tint in your sample. The intensity of the color corresponds to nitrate levels, and your HI782 reader translates that into a readable ppm NO3- value. This setup is intended for saltwater contexts with expected nitrate ranges from 0.0 to 75.0 ppm.
What makes HI782-25 unique
These reagents are built for ease of use and reliable results. Each packet is clearly labeled with a lot number and expiration date, enabling batch traceability across testing sessions and time.
- Pre-measured, easy-to-use reagent packets that speed testing
- High-purity chemicals for cleaner color development
- Packets labeled with lot numbers and expiration dates for traceability
How the color develops
Add the HI782-25 reagent to your sample and watch for a pink tint that scales with nitrate concentration. The color is interpreted by the HI782 system and shown as ppm NO3-, helping you monitor marine conditions without guesswork.
Designed for marine water ranges
Optimized for saltwater testing, these reagents support a measurement range from 0.0 to 75.0 ppm. They are intended to work with the HI782 Marine Nitrate High Range Checker HC to deliver consistent colorimetric readings across multiple tests.
Real-world use and benefits
For reef and saltwater hobbyists, quick, color-based nitrate checks offer practical data points to guide feeding, maintenance, and water-change decisions. While results don’t guarantee specific tank outcomes, they provide actionable insight into nutrient trends and water quality.
- Pre-measured reagents reduce setup time for each test
- Traceable batch information supports ongoing tank management
- Simple colorimetric readings align with a clear ppm NO3- scale
Usage at a glance
Keep testing simple with these steps:
- Open a HI782-25 packet and add to the sample
- Mix as directed until the pink color develops
- Compare to the HI782 scale and record the nitrate reading in ppm NO3-
Quality and handling
These reagents are manufactured for traceability and stored with clear labeling. Store in a cool, dry place and check the expiration date before use. Use within the recommended window to maintain consistency across tests.
FAQ
Q: What is included in the HI782-25 Marine Nitrate High Range Reagents kit?
A: Pre-measured reagents for 25 tests, designed for the Marine Nitrate High Range Checker HC; each packet shows lot number and expiration date.
Q: How do these reagents work in marine water testing?
A: They use a zinc reduction reaction that yields a pink color proportional to nitrate concentration, readable as ppm NO3-.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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