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๐ Stay ahead of invisible threatsโtest smarter, fish happier!
The API AMMONIA 130-Test Kit offers millennial aquarium managers a precise, easy-to-use solution to monitor ammonia levels in both freshwater and saltwater tanks. With 130 tests per kit, dual liquid reagents, and clear color charts, it empowers proactive water quality management to prevent toxic ammonia buildupโthe leading cause of fish stress and mortality. Trusted for nearly six decades, APIโs kit is essential for maintaining vibrant, healthy aquatic environments and avoiding costly fish losses.



















| Customer Reviews | 4.7 out of 5 stars 3,622 Reviews |
A**Y
Excellent economical test kit with limited capability
I worked in three pet shops as a teen and later managed the salt water department in a very large pet shop in Philadelphia. I have kept fish since I was five years old but have been on hiatus for the past 20 years and not had any tanks. These kits have been around for ages and are very accurate if you use them for their true intended purpose; freshwater community tanks or similar. Don't try and use the nitrite or ammonia for saltwater tanks of any sort (even though the kits say the can do salt water, they donโt do it well). Don't use the pH test kit for tanks that need exact pH values for high pH animals like cichlids (though this is less of a problem if you read below). These tests are extremely economical and provide many more tests per dollar than any other kits available. My son is six and my daughter is four. We decided to raise tadpoles twice this year and needed to monitor ammonia, nitrite, and pH. The 40-ish year old design of these kits still fit that bill perfectly and were exactly what we needed. I wish the scale on the pH kit went higher, but it goes high enough for community fish. Tadpoles here tend to like higher pH values of ~8.2 and the pH kit doesn't go that high. However, I got a rough enough estimate if the pH test indicated that the pH was off the chart high as water isn't going to go much above 8.2 unless you use chemicals inappropriately to alter ph. Ammonia and nitrite test kits worked perfectly as in the past and averted many potential tadpole disasters and crying children. We've kept snails, clams, some minnows, and loads of plants in the tank while the tadpoles have developed so the bio load was always changing. Still great kits even after 40 years at a very affordable price. Highly recommended for their intended usage scenario.
S**Y
Highly recommended for keeping your fish happy all the time.
I'm using with the Ammonia Test Kit together with this. I did a deep research and found out this is better than the strip one. pros: Very accurate and easy to use. cons: I wish they make the "pH Down" solution bigger than "pH up" because usually we want the water to have lower pH level (depends on the fish type but, generally).
P**H
Very good product
This test kit is easy to use and accurately measures ammonia in aquarium water that can be deadly for your fish. I like the test tube with lid and the laminated card with the color key. The only thing that it doesnโt come with is a dropper to withdraw the water from the tank to pour into the test tube. I use one plastic dropper that is only used to take the water sample. This kit lasts a long time and I couldnโt have a healthy fish tank without it.
S**R
Good ammonia test kit
For ammonia testing this is the best one I found with the simplest instructions and the quickest results. Very easy to clean up afterward and be ready for next time
S**E
Good kit, but came with two saltwater cards
Instructions are clear, easy to use and comes as described. However mine arrived with two salt water cards and no fresh water cards. I am testing a fresh water tank so this is a bit inconvenient. You can look up the card online so itโs not the end of the world
A**A
Definitely a need if you keep fish
Truly a necessity, I'm doing a fish in cycle and have had the tank going for about a week now and my ammonia just tested to around 4 (really bad), did a 70% change and got it down to 1-2 and will continue doing small changes until my tank is cycled. My fish and snail were acting perfectly normal too so it was definitely a surprise!
O**X
!!
It works
E**Y
works good
good test kit
P**R
Good product.. Little costly
This is a good product to use when you are new to the hobby. Product is little costly but may be worth the price.
B**3
Great bit of kit, easy to use!
Vital part of responsible aquarium keeping. Easy to use and happy with the increased ability to check tank levels. Kit lasts a long time, value for money!
A**R
good product .
good product to monitor the ammonia in your tank .
A**A
Works! easy to follow directions
As described.
A**M
Consistently high quality
API test kits are very reliable. This is a great buy for when you need to restock the master test kit, I like that it includes a test tube.
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2 months ago