API 5 in 1 Freshwater & Saltwater Aquarium Test Strips

By API
Rated 3.9459 out of 5 stars
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API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 25 count slide 1 of 9
Slide 1 of 9
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 25 count slide 1 of 9
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About This Item

  • Tests five key water parameters—pH, nitrite, nitrate, carbonate and general hardness.
  • Highly accurate color charts provide precise test results, identifying problems in your aquarium.
  • Chart colors are distinctive, making test results easy to read.
  • Recommendations help troubleshoot aquarium issues.
  • Superior moisture protection packaging ensures testing accuracy.
Play Video: Learn More About API From Our Team of Experts
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Help lower your aquarium's pH level with API's pH Down or raise it with API's pH Up water treatment.


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Fish TypeTropical Freshwater, Marine Fish, Betta...Tropical Freshwater, Betta, Cichlid, Goldfish, Marine FishTropical Freshwater, Marine FishTropical Freshwater, Marine FishTropical Freshwater, Marine Fish, Betta...
Aquarium TypeFreshwater, SaltwaterFreshwater, SaltwaterFreshwater, SaltwaterFreshwater, SaltwaterFreshwater, Saltwater

Questions & Answers

3 Customer Questions


other test strips i've used tells me what the readings i'm supposed to have these do not tell me what the numbers should have
Answer by ChewyFeb 06, 2020
To determine the number you receive from the reading, compare the test strip to the color chart included on the tube. The ideal number of the pH, Nitrite, Nitrate, Carbonate Hardness, and General Hardness will vary depending on the creatures in your tank. A guide to the ideal Carbonate Hardness and General Hardness can be located in the instructions.

Does it test for Ammonia?
Answer by ChewyJan 26, 2021
The 5 in 1 Test strips test for: Nitrate, Nitrite, pH, General Hardness and Carbonate Hardness. They do not test for ammonia.

does it test for salt level
Answer by ChewyDec 17, 2019
These aquarium test strips test for five key water parameters—pH, nitrite, nitrate, carbonate and general hardness.

ReviewsWrite a Review

3.9
Rated 3.9459 out of 5 stars
37 Reviews
78%
Would recommend to a friend
1
5.4054
5%
2
13.5135
14%
3
8.1081
8%
4
27.027
27%
5
45.9459
46%

37 Customer Reviews



Rated 5 out of 5 stars
By Mojo on Apr 4, 2022

Chewy purchase

Test kit arrived on time with my other purchases. This is a tough one because I have no way to check the voracity of test results, but it works just as advertised.


Rated 2 out of 5 stars
By Tony on Aug 21, 2021

Not sure there wirth it

Easy to use but they don't check ammonia levels and there nitrite and nitrate readings are way off from the regular Api liquid test. Use with caution they do not give reliable readings. The Gh readings were a nice find but they maybe off as well


Rated 3 out of 5 stars
By Neesie on Jul 31, 2021

Aquarium Test Kit Review

The kit worked fine but is not like the kits I usually use. This kit, you need to look up the normal range results to see where your test results lie. The ranges are shown in the pamphlet included with the kit. On the kits I usually use, they show the normal range right on the gauge. It is so much easier.


Rated 3 out of 5 stars
By JackofAll on May 22, 2021

Bit confusing

The instructions say immediately check the first 3 indicators but to wait 30 seconds to read the 4th & 5th/nitrite and nitrate levels. I bought these to test my nitrates specifically but the reading continues to change (get darker) after the 30 seconds. So what's the correct level; the reading at exactly 30 seconds (could be 40 to 80) or the color it ends up at (as high as 160)?


Rated 4 out of 5 stars
By Cheyenne on Jun 18, 2021

Works 90% of the time

These strips are decent for in between using a full drop test kit like the API Freshwater Master Test Kit. I do find about 10% of the strips I used had issues with the pH portion not developing properly, thus not being able to read the results.


Rated 1 out of 5 stars
By Cristian on Jun 21, 2021

master test kit is better

The product said I had high nitrite in my 65 gallon aquarium and then I was worried so I ended up buying a API master test kit and I had no nitrite, I couldn’t believe how bad of a product and waste of money this was.


Rated 4 out of 5 stars
By kyra on Feb 28, 2021

Good Product, to an Extent

While these dip sticks come in handy, it’s important to use a fresh water master test kit to get PRECISE values and read your water for ammonia (since these DON’T test for ammonia). These are handy for in-between precise water tests, but not as the only source of water testing, because they aren’t incredibly accurate. I attached a pic of their master test kit that i use, just in case. API is an excellent brand!


Rated 2 out of 5 stars
By MelC on Feb 2, 2021

Unfortunately inaccurate

I got these to easily test my kh and gh as well as a quick check on my nitrates so I don’t have to pull out my liquid test kit every week... well in a side by side comparison of the pH and nitrate, the strips were way lower on both tests than my liquid tests. Showing the nitrate as an example. Now I’m not sure I can even trust the kh and gh measurements.


Rated 5 out of 5 stars
By Kat2 on Apr 13, 2021

Great item

I have a 28 gallon aquarium and use the strips atleast twice per month to check the water. The strips work very well and are super easy to read.


Rated 3 out of 5 stars
By Katec on Mar 4, 2021

Aquarium test strips

The instructions aren't really clear, and the sheet doesn't really explain what the paremeter readings mean, I'll probably just end up taking a water sample to the local pet store and hope they acctually know what they are doing.