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API Nitrate Test Kit

by API

List Price: $11.99
Price: $7.69 & FREE Shipping on orders over $35. Details
You Save: $4.30 (36%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • Contains 90 tests
  • Tests nitrate levels from 0 to 160 ppm
  • Contains color chart, clear instructions and glass tube(s)
30 new from $5.99
Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.

$7.69 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

API Nitrate Test Kit + API Ammonia 130 test Kit + API Nitrite Test Kit
Price for all three: $19.67

Buy the selected items together


Product Details

  • Product Dimensions: 2.8 x 1.6 x 5.1 inches ; 4 ounces
  • Shipping Weight: 4.8 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B002DVVICS
  • Item model number: LR1800
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (68 customer reviews)
  • Amazon Best Sellers Rank: #4,106 in Pet Supplies (See Top 100 in Pet Supplies)
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Product Description

Effective for both fresh & saltwater aquariums. High levels of nitrate are a food source for unwanted algae & indicate poor water quality & health problems for fish. Tests nitrate levels from 0 to 160 ppm.

From the Manufacturer


API NITRATE TEST KIT

API has been an aquatics industry leader for over 50 years, and we are committed to developing the best products and solutions to simplify the care of aquariums and ponds.

API NITRATE TEST KIT

by API

A high nitrate level indicates a build-up of fish waste and organic compounds, resulting in poor water quality and algae growth. Maintaining a low nitrate level improves the health of fish and invertebrates, so aquarium water should be tested for nitrate to make sure it does not reach an undesirable level.

Kit contains 2 bottles of liquid test reagent, 2 laminated, computer-calibrated color cards, glass test tube with snap-tight cap, step by step instructions and information on how to correct unsafe conditions.

  • Tests Nitrate levels from 0 to 160ppm
  • Easy & Accurate
  • For use in both fresh and salt water

API Makes It Simpler

Follow the API Easy Care Guide steps to simplify aquarium care.

Regular testing of key water parameters is an essential part of routine aquarium maintenance. Levels should be tested weekly to make sure they do not reach undesirable levels, as well as when a problem appears.

Other Recommendations

API AMMONIA TEST KIT

Test Ammonia levels from 0 to 8ppm

Mercury-free, salicylate test

For use in both fresh and salt water

API NITRA-ZORB

Removes ammonia, nitrite, and nitrate

For use in fresh water

Can be recharged for extended use

Phosphate Free

API NITRITE TEST KIT

Tests Nitrite levels from 0 to 5 ppm

For use in both fresh and salt water


Important Information

Ingredients
hydrochloric acid

Directions
1.Fill a clean test tube with 5 ml of water to be tested (to the line on the tube). 2.Add 10 drops from Nitrate Test Solution Bottle # 1, holding dropper bottle upside down in a completely vertical position to ensure uniformity of drops added to the water sample. 3.Cap the test tube and invert tube several times to mix solution. Do not hold finger over the open end of the tube, as this may affect test results. 4.Vigorously shake the Nitrate Test Solution Bottle # 2 for at least 30 seconds. This step is extremely important to insure accuracy of test results. 5.Now add 10 drops from Nitrate Test Solution Bottle #2, holding dropper bottle upside down in a completely vertical position to assure uniformity of drops to the water sample. 6.Cap the test tube and shake vigorously for one minute. This step is extremely important to insure accuracy of test results. 7.Wait five minutes for the color to develop. 8.Read the test results by matching the color of the solution against those on the Nitrate Test Color Chart. The tube should be viewed against the white area beside the color chart. Color comparisons are best made in a well-lit area. The closest match indicates the ppm (mg/L) of nitrate in the water sample. Rinse the test tube with clean water after each use.

Customer Questions & Answers

Customer Reviews

API test kits are really great and reliable.
Petals
I found this test kit to be very easy to use and to read.
Randy
These API test kits are the best that money can buy.
Joshua Jones

Most Helpful Customer Reviews

10 of 10 people found the following review helpful By Sundragon on March 30, 2012
Verified Purchase
Does what it says. I wish the color gradient was a bit easier to distinguish but that's a minor nit.

Important information:
I was instructed by the Local Fish Store and people in my aquatic club to shake the 2nd bottle for more than 20 seconds - closer to 1-2 minutes before using. If you don't shake it well enough, it will not provide an accurate level of your NO3 levels. I did a test and there was a difference - Per instructions it displayed an incorrectly low NO3 level, shaking it longer gave a higher NO3 level.
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9 of 9 people found the following review helpful By citan-uzuki VINE VOICE on April 13, 2014
Owning a fish tank is a fun hobby. However, there are hassles involved. Like having to do regular water changes. Fortunately, you can work smarter and not harder. And one of the tools that will help you is a good nitrate test kit. Like this one.

Nitrates are not as harmful to the fish as are ammonia and nitrite. However, at high levels, nitrate can stress the fish and it can also encourage the growth of algae. We prevent this from happening by doing regular, partial water changes. How often do you do this, and how much water do you replace?

What you are trying to achieve with these regular water changes is to keep the levels of nitrates from getting too high. Nitrates accumulate as a by-product of biological filtration. The speed at which it accumulates will be different for each tank. The rate will depend on many factors. Assuming that your tap water does not already have nitrates, the following will cause nitrate levels to build up: fish waste, uneaten food, and decaying material in the water. While the following will reduce nitrate levels, or at least slow down the rate of build up: fast-growing plants, algae, and special filters. In most situations, the nitrate levels are building up faster than the plants can remove them, for example. This is where the water changes can help. And for the typical fish tank that has very few plants and lots of fish, the water changes are critical.

There are filter media out there that create conditions (anaerobic) such that nitrates are removed. However, from my experience and from what I have been able to learn via message boards dedicated to the hobby, their rate of removal is not as fast the conversion of ammonia to nitrite to nitrate.
Read more ›
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4 of 4 people found the following review helpful By Ericaw on August 8, 2011
Verified Purchase
I've always used the test tubes over the dip strips when it comes to testing my aquarium water, simply because they take MUCH longer to run out (which is a big deal when you're testing four aquariums). Also, a lot of authors of many of the aquarium books and magazine articles I've read consider them more accurate the other conventional forms of water testing (though I find that the test strips really aren't all THAT far off and the difference is neglegible). I origninally purchased the product as a kit with all the other stuff over two years ago before I FINALY ran out so it lasts a long time. I would definately recommend this product.
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3 of 3 people found the following review helpful By Drakkenfyre on January 8, 2014
This kit works fine, but I didn't purchase it separately.

My review is to inform people if they want a Nitrite testing kit and it's not just a refill for another kit, head on over to the API Master Freshwater Kit. It contains this exact same test, plus 3 others, for $6 more. If you are starting a freshwater aquarium, you need all of the tests included in the kit, and a couple more. Don't buy these kits individually. For the price of one and a half of these kits, you can get four of them. Only the GH, KG, and Phosphate kits aren't included in the Master Freshwater Kit.

If you are doing a saltwater aquarium, I believe this kit comes with both a fresh and saltwater chart, but they also make a Master Saltwater Kit that has the same tests, with the saltwater chart.
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3 of 3 people found the following review helpful By S.W. on January 27, 2012
Verified Purchase
Had another kit that did not work at all. This one works great! Don't be confused by the picture though, this is only the Nitrate test - the only one I needed. If you're looking for ammonia and nitrite too, you might want to just buy a kit.
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2 of 2 people found the following review helpful By Hotsauce 1183 on October 10, 2014
Verified Purchase
For months my API NO3 "wet" test kits have been reading way high. I double checked those readings by comparing them with readings from the API Test Dip Strips and got approximately the same readings. I even invested in an NO3 reactor scrubber because of these high readings but it had no effect. The other day, as I was taking another API wet reading, a neighbor stopped by. He pointed out that if the NO3 was as high as the API test kit said it was then most of my livestock would be dead. I was rather embarrassed by his observation as I should have noticed that myself and my livestock have always been healthy with little to no loss. However he works in a high end Local Fish Store and those things are second nature to him. He further explained that API test kits and strips often test high. Apparently they are reacting to residual nitrogen present in the water from some other chemical reaction. The next day he brought me a Salifert test kit and showed me how to use it. I was astonished to see that the Salifert kit gave an NO3 reading of ~10 while the API kits have always gave readings well over 120. Needless to say I have dumped all my API tests in the garbage and will be switching all of my testing over to Salifert kits. They are a bit more expensive but you get what you pay for.
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