Other Sellers on Amazon
+ Free Shipping
+ Free Shipping
+ Free Shipping
API MASTER TEST KIT Aquarium Water Test Kit
& FREE Shipping on orders over $25 shipped by Amazon.
Get free shipping
Free 5-8 business-day shipping within the U.S. when you order $25 of eligible items sold or fulfilled by Amazon.
Or get 4-5 business-day shipping on this item for $5.99. (Prices may vary for AK and HI.)Learn more about free shipping
|You Save:||$18.50 (52%)|
- Contains one (1) API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, including 7 bottles of testing solutions, 1 color card and 4 glass tubes with cap
- Helps monitor water quality and prevent invisible water problems that can be harmful to fish and cause fish loss
- Accurately monitors 5 most vital water parameters levels in freshwater aquariums: pH, nitrite, nitrate, carbonate and general water hardness
- Designed for use in freshwater aquariums only
- Use for weekly monitoring and when water or fish problems appear
Frequently bought together
Customers who bought this item also bought
Customers who viewed this item also viewed
Have a question?
Find answers in product info, Q&As, reviews
From the manufacturer
It’s Smart To Be Proactive!
The best way to keep your aquarium clean is to maintain good water quality. This will keep your fish strong and vibrant, as well as preventing disease.
How Do I Maintain A Healthy Environment?
It is important to test your aquarium water weekly to verify good quality in addition to a bi-weekly partial water change of no more than 25% to help reduce toxic buildup, remove debris the filter missed, and replenish the oxygen available to fish.
How Do I Take Good Care Of My Aquarium & Fish?
- Feed & observe fish daily
- Test water quality weekly
- Change 25% water bi-weekly
- Restore your ecosystem monthly
Feed Your Fish Daily
Feed your fish twice daily with API Fish Food which contains nutritionally enhanced proteins, allowing for easy uptake of nutrients and maximum absorption, resulting in less excrement for clear, clean water. Only give the amount of food fish can eat in 2 to 3 minutes depending on the species. Some fish such as bottom feeders and algae eaters will need up to 30 minutes to 2 hours. Take time to observe fish and the water temperature to ensure they are active & healthy.
Feed Fish Daily
Test Water Quality Weekly
Change 25% Water Every 2 Weeks
Restore Your Ecosystem Monthly
|API Master Test Kit||API Stress Zyme||API Algaefix||API Stress Coat||API Quick Start||Melafix|
|Use Weekly||Helps monitor water quality||Keeps aquarium & gravel clean||Keeps aquarium & gravel clean|
|Use Every 2 Weeks||Makes tap water safe when changing water||Restores the ecosystem to help prevent fish stress|
|Use Monthly||Restores the ecosystem to help prevent fish stress|
|Use When Adding New Fish||Prevents disease breakout|
Making A Better Underwater World
At API, we understand the rewards and relaxation of fishkeeping because we have a passion for fish too. For over 50 years API has developed premium solutions with proven and effective results for your family and ours. API offers a range of testing kits, water conditioners, and nutritionally superior food, because we’re dedicated to making a better underwater world.
Most water problems are invisible to the eye. Quickly measure and modify the six aquarium levels that are most important to the health of your freshwater fish with the API FRESHWATER MASTER TEST KIT. To stay healthy and thrive, fish need properly balanced levels of ammonia, pH, high range pH, nitrite and nitrate. These levels can change rapidly and create harmful conditions when fish waste, uneaten food or other organic matter accumulate, or when untreated water is added. If left uncorrected, all of these can be harmful or even fatal to fish, with consequences such as reduction of oxygen, increase in stress and higher risk of disease. The API FRESHWATER MASTER TEST KIT measures these six parameters with scientific accuracy and provides professional results. It comes with four glass test tubes, a holding tray, test tube rack and computer calibrated, laminated color card. Just fill the test tubes, add the test drops and compare results to the color card. Then follow the recommendations on the card if action is required. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.
Would you like to tell us about a lower price?
Safety WarningPlease Read Instructions Before Use
IngredientsIncludes Four Test Tubes, Caps, Computer-Analyzed Laminated Color Charts, Instructions, Holding Tray, And Test Tube Rack.
DirectionsUse for weekly monitoring and when water or fish problems appear
Legal DisclaimerManufacturer responsible for all legal and warranty claims
Compare with similar items
API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box
API GH & KH TEST KIT Freshwater Aquarium Water Test Kit
Tetra EasyStrips 6-in-1 Aquarium Test Strips, 25-Count
JNW Direct Aquarium Test Strips 7 in 1, Best Kit for Accurate Water Quality Testing for Saltwater & Freshwater Aquariums and Fish Ponds, 150 Strip MEGA PACK
Tetra EasyStrips Ammonia Aquarium Test Strips, 25-Count
|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Amazon.com||Amazon.com||Amazon.com||Amazon.com||JNW Direct||Amazon.com|
|Item Dimensions||9.12 x 3.5 x 4.62 in||3.5 x 1.75 x 6.5 in||2.75 x 1.62 x 5.12 in||4 x 1.5 x 6 in||1.77 x 1.77 x 4.33 in||5.94 x 5.94 x 11.75 in|
Top customer reviews
There was a problem filtering reviews right now. Please try again later.
I decided to buy this kit so I can do tests every two days, as I read that it is more accurate and inexpensive than using strips. Overall, I am very happy with it. Every test I do takes just a few drops. The manufacturer claims 800+ tests, but be careful that is the total number (adding all the different tests together). If you look at just one type of test, like nitrate, the one that requires the most drops, you will be able to do 50-60 tests (as another reviewer has calculated). Most of the tests are very easy to do, with the exception of nitrate, that requires shaking the bottle for 30 seconds and the water sample for 1 minute, and it is somehow tiring. I found running all the tests took me around 10 minutes. I have taken a video so you can get an idea of the "effort involved".
Overall, I am very happy with this kit. Over the last few days I have seen the ammonia climbing, then nitrite and now nitrate, so I can perfectly understand what is going on in my tank!
If you keep freshwater fish, you will need this test kit. It contains all the must know tests to ensure your water quality is up to par for your tropical fish. The importance of a kit like this really shines while you are cycling a tank and it's critical you know how the cycle is progressing. A liquid test kit like this one is far more accurate than using strips, and is cheaper in the long run.
A brand new aquarium will experience what is called a cycle. Fish produce waste in the form of Ammonia, which is pretty toxic to the fish and has long term health effects, and possibly death. Bacteria that naturally exists everywhere in the air will enter the tank and feed off the ammonia. The bacteria produce Nitrite as a waste and unfortunately this is even more toxic to fish than the original ammonia was. However, again, there is a natural bacteria in the air that will enter the tank and consume the Nitrite, and in the process produce Nitrate (with an a). Nitrate, again, is toxic to fish but they can tolerate it far better than ammonia or nitrite.
A tank is fully cycled when both Ammonia and Nitrite (with an i) are 0 ppm and you have some reading of Nitrate (with an a).
And this is why this test kit comes in handy, it contains tests for Ammonia, Nitrite, Nitrate, pH, and high range pH. You'll likely only use one or the other for pH depending on what your tap water is (acidic or basic).
All of the tests are easy to perform, and the kit comes with 4 test tubes allowing you to perform all of the needed tests at once. A word of caution, follow the directions closely for the Nitrate test, it requires you to shake the #2 reagent bottle for a period of time. This is essential for an accurate reading.
CAUTION: If you use a water conditioner that will also detoxify ammonia (for example Seachem Prime), this test kit will still show an Ammonia reading. This is because the conditioner converts the Ammonia to Ammonium, a chemical that still contains the Ammonia but in a non-toxic form to fish.
I haven't killed that guy yet, so I dove in, backwards, buying a pair of fish. They were soon in the pond and I was like yeah, I'm the best pond caretaker alive! Then the fish were all acting weird, like lazy as hell. I quickly ordered this and it came and I was seriously expecting the worst. Like nuclear waste water. I felt terrible that I had thrown two fish into what I imagined to be a cess pool where they would surely die. Plus they cost me a lot of money!
Turns out the water was off only slightly, and I believe I have been able to remedy it. I actually plan to test it all again today to verify that it's going the right direction and last night the new fish got off their fish couch and were swimming around. I felt like a right and just ruler of the pond and I'm sure they would give this 5 stars even if they would give me 1 as a pond person.