Editor's Choice - Our Favorite Hanna Instruments Aquarium Test Kits

1. Hanna Marine Alkalinity (dKH) Checker HC - HI772

User Ratings: 84 2

Hanna Instruments HI772 First Impressions

"Love the convenience."

I used to always take a water sample to the pet store and they would teat it. If I had a complaint, I wish the color legend was printed on the bottle. If your lighting isn't right the colors will be very off. These have worked to keep my fish safe and healthy. But it turns out that is not the case. Overall, I am very happy with this kit. My 12 yrs old son wanted a fish tank so we got him 2.

  • Hanna Marine Alkalinity (dKH) Checker HC - HI772
  • Compact, Portable Design
  • Built-in Timer
  • One-Button Operation
  • Manufacture: Hanna
  • Product Dimensions: 7.5 x 5 x 2.5 inches; 12.64 Ounces
  • Batteries: 1 AA batteries required.
  • Editor's Impressions Of The Hanna Instruments HI772
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments HI772 Final Thoughts

"Best strips ever."

If you're looking for a quick-hit on a range of water quality these are the answer. I tested the water and the nitrates and the ph were pretty high still. Just be careful, after all these are chemicals. Comes with a lot of test strips, that are extremely easy to use and read. Then replace the caps of the bottle and test vial. But, I will continue to order Tetra's 6 in 1 until someone makes a better test strip. 6 showing the test strip as an accurate reading.

Overall Score
4.7


(326 Points)

Peoples Choice - Other Highly Rated Hanna Instruments Aquarium Test Kits

2. Hanna Instruments HI758 Marine Calcium Checker Test Kit - Saltwater Aquariums

User Ratings: 76 5

Hanna Instruments HI 758 First Impressions

"Thank you."

This is essential for an accurate reading. Some of the readings develop better than others. In my opinion they arent quite as accurate as master test kits either. These strips are not to be trusted as a primary testing method for aquariums. A plus is that they don't bleed colors while testing. It's really accurate and makes me feel like I'm a scientist while doing it. It was also kinda hard to get exactly 5ml Into the tubes.

  • Hanna Instruments HI758 Marine Calcium Checker Test Kit - Saltwater Aquariums
  • Easier to use and more accurate than chemical test kits, less expensive than professional testing
  • Accuracy +/-6 % of reading at 25 degree C / 77 degree F
  • Large LCD screen for readability
  • Auto shut-off to extend battery life
  • Operated by a single AAA battery
  • Manufacture: Hanna Instruments
  • Product Dimensions: 3 x 4 x 2 inches; 1 Pounds
  • Batteries: 1 AAA batteries required.
  • Editor's Impressions Of The Hanna Instruments HI 758
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments HI 758 Final Thoughts

"Using this meter is easy."

So did another water change today and now I have happy fish. The test strips work as advertised. I get a consistent reading every time, retests included. It shows it could be between 1-20 but the liquid shows 0. You mostly find them using API also. Besides these few flaws I have to say it's a great starter kit. I like API products and find them the most accurate.

Overall Score
4.5


(261 Points)

3. Hanna Instruments Two Pack HI772-26 (HI755-26) Alkalinity Checker Reagent for 50 tests

User Ratings: 89 1

Hanna Instruments First Impressions

"So read the instructions."

I have some pretty lousy water where I live. 6 and run a high pH you will see it could actually be 7. They test pretty accurate when run against my chemical tests. This test kit is easy to use and the results are easy to read. These are do helpful with maintaining your tank. This is a kit to test for my aquarium water quality. Besides these few flaws I have to say it's a great starter kit.

  • Hanna Instruments Two Pack HI772-26 (HI755-26) Alkalinity Checker Reagent for 50 tests
  • This reagent works with both the 755 & 772 Hanna checker. It may come with the tag 755-26 or 772-26, both reagents work with both checkers
  • Pre-made reagents for ease of use. Prepared with high purity chemicals.
  • Marked with expiration date and lot number for traceability.
  • Small size, big convenience.
  • Manufacture: Hanna Instruments
  • Editor's Impressions Of The Hanna Instruments
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments Final Thoughts

"I kid you not."

But just for a quick check, its hard to beat these test strips. So did another water change today and now I have happy fish. First and second test have a little change which was expected. It was also kinda hard to get exactly 5ml Into the tubes. It's really accurate and makes me feel like I'm a scientist while doing it. Easy to use, a good quantity and quality for the price. But after last night these are a must have for me.

Overall Score
4.8


(200 Points)

4. HI772-26 HI755-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments

User Ratings: 84 1

Hanna Instruments First Impressions

"Thank you."

These helped me check the levels and they were easy to use. So I got these to try and I love them. It is one small part of the overall aquarium ownership experience. Just be careful, after all these are chemicals. They showed the same results as these for the sites they had in common. Strips are accurate as far as I can tell. 6 showing the test strip as an accurate reading.

  • HI772-26 HI755-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments
  • This reagent works with both the 755 & 772 Hanna checker. It may come with the tag 755-26 or 772-26, both reagents work with both checkers.
  • Pre-made reagents for ease of use. Prepared with high purity chemicals.
  • Marked with expiration date and lot number for traceability.
  • Small size and big convenience.
  • Manufacture: Hanna Instruments
  • Part Number: HI 772-26
  • Material: Plastic
  • Item Weight: 2.39 ounces
  • Product Dimensions: 4.5 x 1.9 x 1.9 inches
  • Batteries Included?: No
  • Batteries Required?: No
  • Editor's Impressions Of The Hanna Instruments
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments Final Thoughts

"Perfect for quick checks."

This is no different so I wouldn't knock this product for that. Accurate results and much much cheaper than buying from a pet chain. Tetra has always done that and I will continue to use their products. Accurate results and much much cheaper than buying from a pet chain. Having the key on the bottle is very helpful, it won't get lost. If you want accurate pH get the API liquid test that includes pH and high pH. The key is that you are looking for changes.

Overall Score
4.7


(107 Points)

Honorable Mentions - More Top Selling Hanna Instruments Aquarium Test Kits

5. Hanna Instruments HI736 Phosphorus Ultra Low Range Checker HC for Saltwater Aquariums

User Ratings: 71 10

Hanna Instruments 1197H96EA First Impressions

"YES, it's accurate."

This test kit is easy to use and the results are easy to read. I cut each strip down the middle so that I have even more tests. Just dip the strip in the tank water for two seconds, then read right away. No one brand is going to guarantee against this. I will now test my water periodically to make sure everything is ok. The kH pad sometimes has the same problem as well. Nice to have in hand when you own an aquarium.

  • Hanna Instruments HI736 Phosphorus Ultra Low Range Checker HC for Saltwater Aquariums
  • More accurate than chemical test kits, less expensive than professional testing
  • Accuracy of + or - 5% using an adaptation of Standard Method Ascorbic Acid
  • Single button operation for ease of use
  • Large LCD screen for readability
  • Auto shut-off to prolong battery life
  • Manufacture: Hanna Instruments
  • Part Number: 1197H96EA
  • Material: Plastic
  • Item Weight: 0.704 ounces
  • Product Dimensions: 50 x 50 x 50 inches
  • Batteries: 1 AAA batteries required.
  • Batteries Included?: No
  • Batteries Required?: No
  • Editor's Impressions Of The Hanna Instruments 1197H96EA
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments 1197H96EA Final Thoughts

"1 dKh difference."

If I had a complaint, I wish the color legend was printed on the bottle. It does not test ammonia but that's clear in the description and bottle. No issues so far, test strips work well. These are do helpful with maintaining your tank. The rest of the test in the kit are much easier to use. So this thing worked very well and gave a reading that made perfect sense. My results are never all over the place like other reviewers.

Overall Score
4.3


(92 Points)

6. Marine Phosphate Ultra Low Range Colorimeter – Checker HI774

User Ratings: 86 8

Hanna Instruments First Impressions

"No issues with it."

Not really sure if there is a way to fix that though. They test pretty accurate when run against my chemical tests. Dip it in the water horizontally and keep it horizontal and read it against bottle. Unfortunately nitrates still might be the most important test, at least for me it is. I get a consistent reading every time, retests included. While using these weirder chemicals, it worries me a little bit. They showed the same results as these for the sites they had in common.

  • Marine Phosphate Ultra Low Range Colorimeter – Checker HI774
  • Easier to use and more accurate than chemical test kits
  • Dedicated to a single parameter
  • Accuracy ±0.02 ppm ±5% of reading
  • Range 0.00 to 0.90 ppm
  • Includes reagent starter kit for 10 tests
  • Manufacture: Hanna
  • Editor's Impressions Of The Hanna Instruments
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments Final Thoughts

"That's all."

It's quick and easy and can give you an alert if something may be going on. The test strips work as advertised. Very easy to use and very easy to read test strips. I'm still not sure about the chlorine site. It's difficult to tell if all the test sites on the strip are accurate. They showed the same results as these for the sites they had in common. I like API products and find them the most accurate.

Overall Score
4.6


(25 Points)

7. Hanna Instruments Saltwater Nitrate Low Range Checker HC - HI781

User Ratings: 53 18

Hanna Instruments First Impressions

"I love this test kit."

I started wearing gloves when I use the kit. Wasn't labeled that way in the descriptor. If this review was helpful, please click the helpful button! Having the key on the bottle is very helpful, it won't get lost. 6 and run a high pH you will see it could actually be 7. If you're looking for a quick-hit on a range of water quality these are the answer. I've already lost one test tube cap, most likely due to my cats playing with them.

  • Hanna Instruments Saltwater Nitrate Low Range Checker HC - HI781
  • More accurate than chemical test kits.
  • Built-in timer so you don't miss a step.
  • No errors with a digital readout
  • Ideal for aquariums and marine biology applications
  • For samples containing 5-50 ppm nitrate, follow the dilution procedure
  • Manufacture: Hanna Instruments
  • Batteries: 1 AAA batteries required. (included)
  • Editor's Impressions Of The Hanna Instruments
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments Final Thoughts

"Nice product."

Then replace the caps of the bottle and test vial. Nice to have in hand when you own an aquarium. Strips were always stored in a sealed dry place. All bottles clearly labeled and tell you how many drops. 32 seconds and I have a reading and I'm on my way with no mess. It you take it to a local fish store. If your lighting isn't right the colors will be very off.

Overall Score
3.7


(17 Points)

8. Hanna Instruments HIREEF Reef Professional Checker Kit V2 HI 772 - HI 758 - HI 774 - HI 98319 - HI 7...

User Ratings: 70

Hanna Instruments First Impressions

"Fast result."

It you take it to a local fish store. I will now test my water periodically to make sure everything is ok. I was having trouble keeping my fish tank water looking good. Very helpful for checking the water in our tank. My results are never all over the place like other reviewers. These are do helpful with maintaining your tank. The caps do leak a tiny bit on the tubes.

  • Hanna Instruments HIREEF Reef Professional Checker Kit V2 HI 772 - HI 758 - HI 774 - HI 98319 - HI 70436M from wwG Store
  • Digital equipment for accurate results!
  • Complete kit includes everything you need, so you can start testing today.
  • Specifically chosen for use in saltwater reef aquariums!
  • Provides quick and accurate results.
  • Small size, big convenience Ideal for: Aquariums, Environmental, Aquaculture, Water Quality.
  • Manufacture: Hanna Instruments
  • Editor's Impressions Of The Hanna Instruments
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments Final Thoughts

"Using this meter is easy."

Always nice to get something extra! Just be careful, after all these are chemicals. Probably won't buy again because of the bleeding issues. Overall, I am very happy with this kit. The caps do leak a tiny bit on the tubes. This kit is extremely accurate and very well designed for convenient use and storage. I cut each strip down the middle so that I have even more tests.

Overall Score
4.7


(13 Points)

9. Hanna Instruments HI700 Freshwater Ammonia Low Range Checker Test Kit - Freshwater

User Ratings: 81

Hanna Instruments MAGNUM_MEDIA HI700 First Impressions

"Great test kit."

I mean some people would never do a water test at all. It's quick and easy and can give you an alert if something may be going on. Very good instructions and a comparison color chart. I have a 55 gallon tank with a few large goldfish. Not really sure if there is a way to fix that though. Not sure if the reading is 0 or more likely something between 0-. 6 and run a high pH you will see it could actually be 7.

  • Hanna Instruments HI700 Freshwater Ammonia Low Range Checker Test Kit - Freshwater
  • Manufacture: Hanna Instruments
  • Product Dimensions: 8 x 5 x 2 inches; 9.6 Ounces
  • Editor's Impressions Of The Hanna Instruments MAGNUM_MEDIA HI700
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments MAGNUM_MEDIA HI700 Final Thoughts

"But do they help, yes."

Nice that so many things are tested with one dip in the water. I don't know so much about how precise these are. These are working very well for me. First few strips I used gave an accurate ready. I'm still not sure about the chlorine site. But after last night these are a must have for me. I will now test my water periodically to make sure everything is ok.

Overall Score
4.8


(6 Points)

10. Hanna Instruments HI758 - HI772 Bundle Marine Calcium and Alkalinity Checker Test Kit for Saltwater ...

User Ratings: 62 38

Hanna Instruments First Impressions

"It's that easy."

It shows it could be between 1-20 but the liquid shows 0. So off to buy some sponge filters I went! Also, I'd avoid Tetra's strips to be honest- the reviews speak for themselves. Just dip the strip in the tank water for two seconds, then read right away. In my opinion they arent quite as accurate as master test kits either. But, I will continue to order Tetra's 6 in 1 until someone makes a better test strip. I find that the accuracy is wrong in the sense it's better than it reads.

  • Hanna Instruments HI758 - HI772 Bundle Marine Calcium and Alkalinity Checker Test Kit for Saltwater Aquariums Along with a Luving Pets Syringe
  • Easier to use and more accurate than chemical test kits
  • Dedicated to a single parameter
  • Small size, big convenience
  • Ideal for: Aquaculture & Aquariums, Water Quality
  • Quickly get your results without any hassle and Achieve your calcium results easily with simple, one-button design.
  • Manufacture: Hanna Instruments
  • Batteries: 2 AAA batteries required. (included)
  • Editor's Impressions Of The Hanna Instruments
  • Test Accuracy
  • Quality
  • Value For Money
  • Affordability

Hanna Instruments Final Thoughts

"Maybe I have bad bottle."

But, I will continue to order Tetra's 6 in 1 until someone makes a better test strip. Just be careful, after all these are chemicals. Nice that so many things are tested with one dip in the water. A plus is that they don't bleed colors while testing. Very helpful for checking the water in our tank. Easy to use, a good quantity and quality for the price. My results are never all over the place like other reviewers.

Overall Score
3.5


(3 Points)

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