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Home » Aquarium Supplies  » Water Testing  » Handheld Devices  »  Hanna Instruments Marine Alkalinity reagents 25 tests
Hanna Instruments Marine Alkalinity reagents 25 tests

Hanna Instruments Marine Alkalinity reagents 25 tests

Average Rating 4.5 20
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Hanna Instruments Marine Alkalinity reagents 25 tests Information




Reagent kit for 25 Marine Alkalinity Tests

Range: 0.00 to 250 mg/L




Manufacturer Info

Hanna Instruments USA Aquarium Supplies
Hanna Instruments is a leading manufacturer of analytical aquarium instrumentation. They were founded in 1978 and are headquartered in Woonsocket, Rhode Island. When Hanna introduced pH Electronic Paper in 1986 it literally revolutionized the world of testing by allowing millions of people in various industries to test for pH in a simple, accurate and affordable way. Hanna employees are constantly challenging themselves to improve on existing technology and to invent new testing techniques with the common goal to simplify analytical testing. This applies not only to instrumentation, but also to sensors development, reagents and chemicals. Hanna also believes in controlling the quality of their products from inception to delivery so they manufacture everything themselves, from meters and electrodes to chemical reagents and buffer solutions.

Hanna Instruments Marine Alkalinity reagents 25 tests Reviews



Average Rating
(20 reviews)
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live by it

by
Reviewers Rating Excellent!


Posted: 2/25/2015 from LAND O LAKES, FL UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: been using this for a couple years,,,,tells me exactly what is needed in my tank (usually water change time)


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Required purchase

by
Reviewers Rating Excellent!


Posted: 2/20/2015 from Miami Beach, FL UNITED STATES
5.0 5
Experience Level: Expert


Comments: Can't have a reef tank without Hanna testers. Well , you can but I would not recommend it. This product is always consistent even with cross testing with other products, Hanna checkers are always spot on and half the time.


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Needs better packaging

by
Reviewers Rating Average


Posted: 1/9/2015 from Lynnwood, WA UNITED STATES
2.5 5
Experience Level: Intermediate


Comments: Not user friendly packaging, this single fact makes it harder than it needs to be to use. Hence the lower rating.


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Accurate for a chemist

by
Reviewers Rating Great


Posted: 11/28/2014 from Raleigh, NC UNITED STATES
4.0 5
Experience Level: Intermediate


Comments: So I purchased this test kit and while waiting for my tank to get set up I decided to test my friends water. he took his water to the fish store and they measured it to be 420 ppm calcium. So I took some of his water and measured it with the syringes in the kit. The reading came out to be 527 ppm? Why the difference? So since I am a chemist I went into the lab and made up a standard of 400 ppm Ca 2+ using CaCl2 and an accurate volumetric flask and a microbalance. I also brought home some old pipettes because you need to measure out 1 mL and 0.1 mL. Based on the kit not sure how accurate the 1 mL needs to be but the 0.1 mL needs to be accurate. If you measure 0.125 that is the difference between 400 ppm and 500 ppm. So I used the accurate pipettes and obtained a value of 409 ppm. That's a 2% accuracy and that's assuming everything was measured perfectly and there was no residual Ca in the glass or RO water. Also 2% accuracy is about the accuracy of the pipettes so I am very satisfied with the reading. I gave this 4 stars because I don't think you can do better than 10-15% accuracy with the supplied syringes but maybe with practice it would get lower to maybe 5%. Overall very easy to perform the test and the digital readout is great!


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Hanna Phosphate

by
Reviewers Rating Excellent!


Posted: 1/30/2014 from GLENDALE, AZ UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: Love the meter and the reagent packs are reasonably priced. It would make sense to include more than six tests though. I bought replacement packs and Marine Depot was amazingly fast in sending the new ones.


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Hanna regent

by
Reviewers Rating Excellent!


Posted: 12/14/2013 from LUBBOCK, TX UNITED STATES
5.0 5
Experience Level: Expert


Comments: I have used Hanna alkalinty checker for some time now with great results. It is easy to use and i am on my second bottle of regent wich mixes well and is also easy to use.


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Works Great

by
Reviewers Rating Excellent!


Posted: 8/29/2013 from OLATHE, KS
5.0 5
Experience Level: Beginner


Comments: Works great. Product as described, very satisfied. Definitely the way to go when testing water parameters.


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Calcium Test

by
Reviewers Rating Average


Posted: 5/2/2013 from Huntington Beach, CA UNITED ST
2.5 5
Experience Level: Expert


Comments: Simple and convenient to use, but I have doubts about the accuracy. I have tried doing the test multiple times within an hour, always with the same protocols and gotten tremendous fluctuations in the results. Hanna is on the right track, but they definitely need to refine the test.


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Great Reagent

by
Reviewers Rating Excellent!


Posted: 3/29/2013 from Roy, UT UNITED STATES
5.0 5
Experience Level: Beginner


Comments: Won a Hanna Phosphate checker at my local fish club meeting several months ago - love the unit so much I used all of the reagents! Got more and love the results! :)


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hanna reagents

by
Reviewers Rating Excellent!


Posted: 9/12/2012 from Fresno, CA UNITED STATES
5.0 5
Experience Level: Intermediate


Comments: I've purchased severel of the hanna test instruments now and am very pleased with all of them. the phosphate test seems very accurate and the replacement reagents are very cost efficent.


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