
Hanna Instruments-3826 Ammonia test kit for sea water
Hanna Instruments-3826 Ammonia Test Kit for Seawater
Hanna Instruments-3826 is a Colorimetric chemical test kit that measures Ammonia in seawater. Using the Nessler Method*, the Hanna Instruments-3826 is supplied complete with all of the reagents and equipment necessary to perform approximately 25 tests.
All materials are included with the kit to perform a test, such as a sample beaker, colour comparison cube, and reagent dropper bottles. Readings from 0.0 to 2.5 mg/L NH3-N are determined to 0.5 mg/L resolution.
Replacements: There is no need to buy a new kit when you have used all the reagents as refills are available. Simply order Hanna Instruments-3826-025 to replenish.
*Nessler Method measures the total Ammonia NH3 and NH4+.
Why test for Ammonia?
Concentrations of ammonia in rivers, estuaries, and bays may indicate the presence of pollution. When the concentration of ammonia reaches a high level, it can prove toxic to aquatic life. In industrial areas, high concentrations of ammonia can cause corrosion to pipes.
Kit supplied with:
- 20ml plastic beaker, colour comparison cube, 20ml ammonia reagent 1 and 20ml Nessler reagent
Also available:
Check out our Checker® HC Handheld Colorimeters – an accurate and affordable way to test for chemicals using a gadget that sits perfectly in the palm of your hand and also fits nicely into your pocket.

Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.