FREE Shipping on your first order. Details & FREE Returns
Return this item for free
  • Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
  • Learn more about free returns.
How to return the item?
Arrives: Aug 22 - 25
Fastest delivery: Thursday, Aug 20 Details
In Stock.
Your transaction is secure
We work hard to protect your security and privacy. Our payment security system encrypts your information during transmission. We don’t share your credit card details with third-party sellers, and we don’t sell your information to others. Learn more
Ships from and sold by Amazon.com.

Unlock 15% savings

Save 15% when you receive 5 or more products in one auto-delivery to one address. Currently, you'll save 5% on your Oct 16 delivery.

Choose how often it's delivered

From once every 2 weeks to once every 6 months

Skip or cancel any time

We'll send you a reminder before each delivery.
Save 5% now and up to 15% on repeat deliveries.
• No fees
• Cancel anytime
Learn more
Get it Saturday, Aug 22
In Stock.
Deliver every:
Ships from and sold by Amazon.com
Other Sellers on Amazon
Add to Cart
$10.50
& FREE Shipping on eligible orders. Details
Sold by: 718 Sold It
Add to Cart
$10.90
+ Free Shipping
Sold by: Fancy Pants Pet

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

by Tetra
4.3 out of 5 stars 360 ratings
Amazon's Choice recommends highly rated and well-priced products.
Amazon's Choice for "ammonia strips"

Price: $10.99 FREE Shipping on your first order. Details & FREE Returns
Return this item for free
  • Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
  • Learn more about free returns.
How to return the item?
Available at a lower price from other sellers that may not offer free Prime shipping.
  • 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
New (3) from $10.90 + FREE Shipping

Bark If You Want Some: The monthly box your pup deserves. Bark If You Want Some: The monthly box your pup deserves.


Frequently bought together

  • Tetra EasyStrips 25 Count, Ammonia Test Strips For aquariums, Water Testing, 25-Strip, Model:19540
  • +
  • Tetra EasyStrips 6-in-1 Aquarium Test Strips for Fresh/Salt Water
  • +
  • Seachem Ammonia Alert
Total price: $33.22
Buy the selected items together

Special offers and product promotions

Have a question?

Find answers in product info, Q&As, reviews

There was a problem completing your request. Please try your search again later.
All Product Information Customer Q&A's Customer Reviews

Your question may be answered by sellers, manufacturers, or customers who purchased this item, who are all part of the Amazon community.

Please make sure that you are posting in the form of a question.

Please enter a question.


From the manufacturer

Product description

Product Description

For 50 year, fishkeeping enthusiasts have looked to the Tetra name for products and solutions that add ease and beauty to their home. Whether you're an experienced hobbyist or just starting out, Tetra has everything you need–-from a large variety of quality fish food and innovative equipment to test kits and decor. Maintaining a healthy, safe aquarium environment for your fish is important, and regularly testing your water levels in the aquarium is critical to success. EasyStrips™ are a perfect solution. By quickly testing for all water quality issues in your aquarium water, EasyStrips provide accurate results with minimal effort, and have the most advanced technology in water testing because they're designed from the same medical and scientific laboratory technology. A healthy aquatic environment starts with clean water, so be sure to use EasyStrips to promote a vibrant aquarium. Tetra's Ammonia Strips test only for ammonia levels present in your aquarium. They too only require a dip in the aquarium water and will give you the quickest results! In just ten seconds, you will find out if your ammonia levels are safe in your aquarium.

Amazon.com


Keep Your Tank Healthy

Maintaining a healthy, safe aquarium environment for your fish is important, and regularly testing your water levels in the aquarium is critical to success. EasyStrips are a perfect solution. By quickly testing for all water quality issues in your aquarium water, EasyStrips provide accurate results with minimal effort, and have the most advanced technology in water testing because they're designed from the same medical and scientific laboratory technology. A healthy aquatic environment starts with clean water, so be sure to use EasyStrips to promote a vibrant aquarium.

Ammonia EasyStrips

Tetra's Ammonia Strips test only for ammonia levels present in your aquarium. They too only require a dip in the aquarium water and will give you the quickest results! In just ten seconds, you will find out if your ammonia levels are safe in your aquarium. Ammonia Strips are also available in 25-strip count and 100-strip count packages.

Easy Aquarium Testing

Tetra Aquarium Test Strips work quickly to provide accurate results and help you to treat your aquarium effectively. Test Strips come in three varieties that offer varying benefits; including 6-in-1 Easy Strips that offer complete testing in only 60 seconds, and Ammonia EasyStrips that specifically test ammonia levels in your aquarium. Take a look at the Chart below to see which Tetra Aquarium Test Strip is right for your aquarium.



  • Tetra EasyStrips make regular water testing a breeze.
  • 60 second check of:
    • Chlorine
    • Alkalinity
    • Nitrite
    • Harness
    • Nitrate
    • pH
  • Easy and Accurate
  • Just dip and read
  • Specially designed to test Ammonia levels in aquariums
  • Medical and scientific quality
  • Safe, nontoxic, and simple to use
  • Results in 10 seconds
  • Includes 25 6-in-1 EasyStrips and 25 Ammonia EasyStrips
  • 7 tests in one kit:
    • Chlorine
    • Alkalinity
    • Nitrite
    • Harness
    • Nitrate
    • pH
    • Ammonia
  • Accurate, fast, and easy

Complete Water Care Treatments made easy:

When you use Tetra EasyStrips you can quickly determine exactly what your aquarium needs to thrive. Tetra sets the bar high in water care treatment and maintenance with color-coded system that can remedy many typical aquarium problems. From aquarium start-up and routine maintenance, to trouble shooting solutions and testing, Tetra offers everything you need to keep your aquarium water healthy. Take a look at the chart below to see the full line of Tetra water care treatments.



New Aquarium? Tetra SafeStart allows you to safely add fish to your tank immediately.
Use AquaSafe whenever adding water to neutralize chlorine and heavy metals.

Use EasyBalance weekly to keep your water chemistry balanced.

High ammonia? Use AmmoniaSafe liquid or tablets.

Cloudy water? Clear it up with WaterClarifier liquid or tablets.

Algae issues? Keep in check with AlgaeControl liquid or No More Algae tablets.

Tetra EasyStrips make regular water testing a breeze.