Editor's Choice - Our Favorite Tetra Aquarium Test Kits

1. Tetra EasyStrips 6-in-1 Aquarium Test Strips for Fresh/Salt Water

User Ratings: 78 2

Tetra 19543 First Impressions

"00 becomes 40."

Every test I do takes just a few drops. Overall, I am very happy with this kit. This kit is extremely accurate and very well designed for convenient use and storage. 6 showing the test strip as an accurate reading. First and second test have a little change which was expected. Their Whisper 1-5 filter cartridges have skyrocketed in price and become a scarcity. Very good instructions and a comparison color chart.

  • Tetra EasyStrips 6-in-1 Aquarium Test Strips for Fresh/Salt Water
  • COMPLETE TESTING Regularly testing your water levels is critical to the success of your aquarium
  • 6 DIFFERENT TESTS WITH 1 STRIP Just one test monitors nitrates nitrites water hardness chlorine alkalinity and pH levels
  • VERSATILE Can be used in both freshwater and saltwater aquariums
  • CONVENIENT Just dip into water wait 60 seconds and read results
  • USAGE Use weekly to monitor aquarium water after water changes or when adding new fish
  • Age Range Description: All Life Stages
  • Manufacture: Tetra
  • Product Dimensions: 1.81 x 1.81 x 3.75 inches; 1.6 Ounces
  • Editor's Impressions Of The Tetra 19543
  • Test Accuracy [star rating='4.8']
  • Quality [star rating='4.4']
  • Value For Money [star rating='5']
  • Affordability [star rating='5']

Tetra 19543 Final Thoughts

"So read the instructions."

If you're out for speed, but with less accuracy get the dip tests. If you keep freshwater fish, you will need this test kit. Just be careful, after all these are chemicals. Every test I do takes just a few drops. I tested the water and the nitrates and the ph were pretty high still. I'm the test strip came in handy it saved all of my fish. I even got an extra 32 test strips as an added bonus.

Overall Score
4.6

[star rating="4.6"]
(3788 Points)

Peoples Choice - Other Highly Rated Tetra Aquarium Test Kits

2. Tetra EasyStrips 25 Count, Ammonia Test Strips For aquariums, Water Testing, 25-Strip, Model:19540

User Ratings: 70 4

Tetra 19540 First Impressions

"Two packages were inside."

This is essential for an accurate reading. No one brand is going to guarantee against this. A brand new aquarium will experience what is called a cycle. Strips were always stored in a sealed dry place. I have a 55 gallon tank with a few large goldfish. Some of the readings develop better than others. I have not found that to be true for myself.

  • Tetra EasyStrips 25 Count, Ammonia Test Strips For aquariums, Water Testing, 25-Strip, Model:19540
  • AMMONIA TESTING Regularly testing your water ammonia levels is critical to the success of your aquarium
  • VERSATILE Can be used in both freshwater and saltwater aquariums
  • CONVENIENT Just dip into water wait 10 seconds and read results
  • COMPATIBLE WITH TETRA MY aquarium APP Get instant water care product recommendations based on testing results
  • USAGE Use when setting up a new aquarium after water changes or as needed
  • Age Range Description: All Life Stages
  • Manufacture: Tetra
  • Product Dimensions: 5.94 x 5.94 x 11.75 inches; 0.8 Ounces
  • Editor's Impressions Of The Tetra 19540
  • Test Accuracy [star rating='5']
  • Quality [star rating='4.6']
  • Value For Money [star rating='3.6']
  • Affordability [star rating='3.9']

Tetra 19540 Final Thoughts

"Very easy to use."

If your lighting isn't right the colors will be very off. So this thing worked very well and gave a reading that made perfect sense. My water was good to go and soon after I for fish that are doing well! The test strips work as advertised. I set up a bunch of 20 gallon tanks for fry and stuff. If this review was helpful, please click the helpful button! Then put the cap on the test vial and invert it several times.

Overall Score
4.4

[star rating="4.4"]
(709 Points)

3. Tetra EasyStrips Complete Aquarium Test Kit

User Ratings: 73 4

Tetra 19544 First Impressions

"Would buy again for sure!"

But after last night these are a must have for me. I mean some people would never do a water test at all. Before, I brought water into a pet store, but kept seeing no signs of improvement. Not really sure if there is a way to fix that though. It does'not' have the same accuracy but it’s very close. I would not use it solely for checking nitrate and nitrites. The rest of the test in the kit are much easier to use.

  • Tetra EasyStrips Complete Aquarium Test Kit
  • ALL-IN-ONE TESTING KIT: Everything you need to test your aquarium water.
  • 7 DIFFERENT TESTS WITH 1 STRIP: Just one test monitors ammonia, nitrates, nitrites, water hardness, chlorine, alkalinity and pH levels.
  • VERSATILE: Can be used in both freshwater and saltwater aquariums.
  • CONVENIENT: Just dip into water, wait 60 seconds and read results.
  • USAGE: Use weekly to monitor aquarium water, after water changes or when adding new fish.
  • Manufacture: Tetra
  • Product Dimensions: 6 x 4 x 1.13 inches; 2.4 Ounces
  • Editor's Impressions Of The Tetra 19544
  • Test Accuracy [star rating='4.4']
  • Quality [star rating='5']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.5']

Tetra 19544 Final Thoughts

"Great test kit."

If you're looking for a quick-hit on a range of water quality these are the answer. I like API products and find them the most accurate. Here's Tetra's strips if you're curious. Nice that so many things are tested with one dip in the water. It does not test ammonia but that's clear in the description and bottle. I wish there were a simpler accurate test for it. If you want accurate pH get the API liquid test that includes pH and high pH.

Overall Score
4.5

[star rating="4.5"]
(680 Points)

4. TETRA EasyStrips Ammonia Aquarium Test Strips, 100-Count

User Ratings: 78 3

Tetra 19541 First Impressions

"Hope this was useful."

But, I will continue to order Tetra's 6 in 1 until someone makes a better test strip. I used to always take a water sample to the pet store and they would teat it. The API Test Strips are a good water monitoring system for small tanks. A brand new aquarium will experience what is called a cycle. I have a freshwater tank that includes some delicate invertebrates. Best price, best quality, fair accuracy and better than most brands, etc. Best price, best quality, fair accuracy and better than most brands, etc.

  • TETRA EasyStrips Ammonia Aquarium Test Strips, 100-Count
  • AMMONIA TESTING Regularly testing your water ammonia levels is critical to the success of your aquarium
  • VERSATILE Can be used in both freshwater and saltwater aquariums
  • CONVENIENT Just dip into water wait 10 seconds and read results
  • COMPATIBLE WITH TETRA MY aquarium APP Get instant water care product recommendations based on testing results
  • USAGE Use when setting up a new aquarium after water changes or as needed
  • Manufacture: Tetra
  • Product Dimensions: 1.81 x 1.81 x 3.75 inches; 1.6 Ounces
  • Editor's Impressions Of The Tetra 19541
  • Test Accuracy [star rating='3.9']
  • Quality [star rating='5']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.3']

Tetra 19541 Final Thoughts

"Easy to use."

It does take some time though to actually get it done. 32 seconds and I have a reading and I'm on my way with no mess. Accurate results and much much cheaper than buying from a pet chain. Wasn't labeled that way in the descriptor. Their Whisper 1-5 filter cartridges have skyrocketed in price and become a scarcity. This is essential for an accurate reading. No one brand is going to guarantee against this.

Overall Score
4.6

[star rating="4.6"]
(509 Points)

Honorable Mentions - More Top Selling Tetra Aquarium Test Kits

5. Tetra 19543 1000Count EasyStrips 6-in-1 Test Strips

User Ratings: 55 45

Tetra 19543 First Impressions

"Love the convenience."

Probably won't buy again because of the bleeding issues. It helps get you in the ballpark with your water perimeters. I respect a company that backs their product. If I had a complaint, I wish the color legend was printed on the bottle. Well I found out why they were gulping so bad. Overall good value for a small hobbyist aquarium owner. They test pretty accurate when run against my chemical tests.

  • Tetra 19543 1000Count EasyStrips 6-in-1 Test Strips
  • COMPLETE TESTING: Regularly testing your water levels is critical to the success of your aquarium.
  • CONVENIENT: Just dip into water, wait 60 seconds and read results.
  • VERSATILE: Can be used in both freshwater and saltwater aquariums.
  • USAGE: Use weekly to monitor aquarium water, after water changes or when adding new fish.
  • Manufacture: UPG Case Packs
  • Product Dimensions: 9 x 4 x 4.13 inches; 1.9 Ounces
  • Editor's Impressions Of The Tetra 19543
  • Test Accuracy [star rating='2.3']
  • Quality [star rating='2.2']
  • Value For Money [star rating='3.6']
  • Affordability [star rating='3.5']

Tetra 19543 Final Thoughts

"Thanks Seachem."

But it turns out that is not the case. These are do helpful with maintaining your tank. My water was good to go and soon after I for fish that are doing well! Also, I'd avoid Tetra's strips to be honest- the reviews speak for themselves. The test strips work as advertised. The price is great for all these essential tests! My tap water actually was really green and was a very close match to the 1.

Overall Score
3.2

[star rating="3.2"]
(13 Points)

6. Fluval CO2 Indicator Kit

User Ratings: 61 7

Fluval A7551 First Impressions

"Bought the 100 Count."

And if it was, please click on the helpful button below. Very good instructions and a comparison color chart. I take every precaution about the chlorine, and trust the strips for everything else. They show results, what is safe& not safe and what to do if not safe. I wish there were a simpler accurate test for it. I don't know so much about how precise these are. If this review was helpful, please click the helpful button!

  • Fluval CO2 Indicator Kit
  • Monitors levels of CO2 in aquariums
  • Provides accurate dosing of CO2
  • Ensures fish and plants live in a healthy environment
  • Manufacture: Fluval
  • Product Dimensions: 1.8 x 4 x 5.5 inches; 1.6 Ounces
  • Editor's Impressions Of The Fluval A7551
  • Test Accuracy [star rating='3.5']
  • Quality [star rating='5']
  • Value For Money [star rating='4.1']
  • Affordability [star rating='3.9']

Fluval A7551 Final Thoughts

"Maybe I have bad bottle."

The kH pad sometimes has the same problem as well. They test pretty accurate when run against my chemical tests. They show results, what is safe& not safe and what to do if not safe. This kit is extremely accurate and very well designed for convenient use and storage. Wasn't labeled that way in the descriptor. This is a good kit so much more accurate and easy to figure out how to use it. Also, I'd avoid Tetra's strips to be honest- the reviews speak for themselves.

Overall Score
4.2

[star rating="4.2"]
(175 Points)

7. Red Sea Phosphate/PO4 Pro Test Kit - 100 Tests

User Ratings: 49 33

Red Sea First Impressions

"Thank you."

To test it, I bought a 5 pack of 5 site test strips from Petco. Very good instructions and a comparison color chart. Some of the readings develop better than others. These have worked to keep my fish safe and healthy. They test pretty accurate when run against my chemical tests. I have a 55 gallon tank with a few large goldfish. My water was good to go and soon after I for fish that are doing well!

  • Red Sea Phosphate/PO4 Pro Test Kit - 100 Tests
  • Manufacture: Red Sea
  • Editor's Impressions Of The Red Sea
  • Test Accuracy [star rating='4.1']
  • Quality [star rating='2.6']
  • Value For Money [star rating='2.5']
  • Affordability [star rating='3.4']

Red Sea Final Thoughts

"Bought the 100 Count."

I have not found that to be true for myself. If I had a complaint, I wish the color legend was printed on the bottle. Nice that so many things are tested with one dip in the water. My tap water actually was really green and was a very close match to the 1. These helped me check the levels and they were easy to use. I set up a bunch of 20 gallon tanks for fry and stuff. But it is accurate and convenient as is.

Overall Score
3.1

[star rating="3.1"]
(5 Points)

8. Nutrafin pH High Range 7.4 to 8.6 for Fresh and Saltwater, 125-Tests

User Ratings: 66 17

Nutrafin A7812 First Impressions

"It's very easy to do."

Easy to use, a good quantity and quality for the price. Overall, I am very happy with this kit. I used to always take a water sample to the pet store and they would teat it. It looks to have the slightest green tinge but is not as green as the 0. As you can see in comparison the only difference was the Nitrate. 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.

  • Nutrafin pH High Range 7.4 to 8.6 for Fresh and Saltwater, 125-Tests
  • Suitable for freshwater or marine aquariums to establish the right pH range for your fish (7.4-8.6)
  • Monitors ammonia toxicity level
  • Best used in aquariums containing most common tropical fish, such as African Cichlids and marine fish
  • Tanks pH levels should be monitored regularly as they have a direct effect on the well-being and health of fish
  • Easy to follow directions; Contains 125 Tests
  • Manufacture: Nutrafin
  • Product Dimensions: 2 x 5.5 x 5 inches; 3.2 Ounces
  • Editor's Impressions Of The Nutrafin A7812
  • Test Accuracy [star rating='3.3']
  • Quality [star rating='3.4']
  • Value For Money [star rating='4.4']
  • Affordability [star rating='4.4']

Nutrafin A7812 Final Thoughts

"Using this meter is easy."

I take every precaution about the chlorine, and trust the strips for everything else. Will definitely buy again, if we ever run out! Wasn't labeled that way in the descriptor. I don't know so much about how precise these are. I don't know so much about how precise these are. I've already lost one test tube cap, most likely due to my cats playing with them. Strips are accurate as far as I can tell.

Overall Score
4.0

[star rating="4"]
(7 Points)

9. API NITRITE TEST KIT 180-Test Freshwater and Saltwater Aquarium Test Kit

User Ratings: 81 2

API 26 First Impressions

"They work for me."

These strips are not to be trusted as a primary testing method for aquariums. The price is great for all these essential tests! I have not found that to be true for myself. It is one small part of the overall aquarium ownership experience. The nitrate test is a little finicky as most users will agree. The strips are able to monitor pH, nitrate, nitrite, water hardness. Having the key on the bottle is very helpful, it won't get lost.

  • API NITRITE TEST KIT 180-Test Freshwater and Saltwater Aquarium Test Kit
  • Contains one (1) API NITRITE TEST KIT 180-Test Freshwater and Saltwater Aquarium Test Kit, including 1 bottle of testing solution, 1 color card and 1 glass test tube with cap
  • Helps monitor nitrite and prevent invisible water problems that can be harmful to fish
  • Accurately detects high nitrate levels from 0-5 ppm
  • Prevents high levels of nitrite which inhibit fish respiration and suppress their immune systems
  • Use for weekly monitoring and when water or fish problems appear
  • Manufacture: Aquarium Pharmaceuticals
  • Product Dimensions: 1.5 x 2.38 x 5.13 inches; 2.4 Ounces
  • Editor's Impressions Of The API 26
  • Test Accuracy [star rating='5']
  • Quality [star rating='5']
  • Value For Money [star rating='5']
  • Affordability [star rating='5']

API 26 Final Thoughts

"Worth the money."

I have a freshwater tank that includes some delicate invertebrates. I have not had any problem whatsoever. But, I will continue to order Tetra's 6 in 1 until someone makes a better test strip. Nice that so many things are tested with one dip in the water. I have some pretty lousy water where I live. I would not use it solely for checking nitrate and nitrites. 6 and run a high pH you will see it could actually be 7.

Overall Score
4.7

[star rating="4.7"]
(605 Points)

10. API Test Strips, for Variety of Water Parameters, Monitor Aquarium Water Quality and Help Prevent In...

User Ratings: 74 3

API 33G First Impressions

"Maybe I have bad bottle."

If you're looking for a quick-hit on a range of water quality these are the answer. If this review was helpful, please click the helpful button! Well I found out why they were gulping so bad. While using these weirder chemicals, it worries me a little bit. You mostly find them using API also. To test it, I bought a 5 pack of 5 site test strips from Petco. But if it's wrong at least I was proactive about it.

  • API Test Strips, for Variety of Water Parameters, Monitor Aquarium Water Quality and Help Prevent Invisible Water Problems That can be Harmful to Fish, Use Weekly and When Problems Appear
  • Contains one (1) API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box
  • Monitors levels of pH, nitrite, nitrate carbonate and general water hardness in freshwater and saltwater aquariums
  • Dip test strips into aquarium water and check colors for fast and accurate results
  • Helps prevent invisible water problems that can be harmful to fish and cause fish loss
  • Use for weekly monitoring and when water or fish problems appear
  • Manufacture: Mars Fishcare Inc.
  • Product Dimensions: 3.5 x 1.75 x 6.5 inches; 3.36 Ounces
  • Editor's Impressions Of The API 33G
  • Test Accuracy [star rating='4.5']
  • Quality [star rating='3.6']
  • Value For Money [star rating='4.3']
  • Affordability [star rating='3.5']

API 33G Final Thoughts

"I disagree."

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. This test kit is easy to use and the results are easy to read. I've already lost one test tube cap, most likely due to my cats playing with them. If this review was helpful, please click the helpful button! Besides these few flaws I have to say it's a great starter kit. This spreads out the 6 month expiration date after opening.

Overall Score
4.5

[star rating="4.5"]
(6938 Points)

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