Aquarium Co-Op Multi-Test Strips

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  • Measures pH, Nitrite, Nitrate, GH, KH, and Chlorine
  • Results in 60 Seconds
  • Available in Two Sizes: 25 and 200 Tests
  • Laminated Comparison Card

Frequently testing your water quality is one of the keys to successful fishkeeping. We developed Aquarium Co-Op Multi-Test Strips to be fast, comprehensive, and accurate — which makes testing your aquarium water easier than ever. Measure nitrate, nitrite, hardness (GH), buffer (KH), pH, and chlorine levels in just 60 seconds.

This test helps you understand your readings with helpful information and suggestions on the laminated color chart we've included. We created these to make your life easier and save you money when it comes to testing your water.

Customer Reviews

Based on 778 reviews
David B. (Woodbridge, VA, US)

Test strips were as described, good price and received very fast.

Diane F. (Roanoke, VA, US)
Important tests all in one strip

These test strips save time when checking Nitrate levels for water changes. Really appreciate that it shows both GH and KH with the added benefit listed above the color chart numbers which type water hardness and buffer the tank has. One thing to note, if your strip shows the color pink which is not a color on the GH result chart, means you have very hard water above 300ppm which I know I have in my neighborhood water supply. Instructions are easy to read and follow. Great way to keep on top of aquarium water parameters. Glad I purchased these test strips.

Georgina B.C. (Salt Lake City, UT, US)
Great price , Amazing Product

Came in two days for $5 shipping witch I appreciate.
The product itself is easy to use and straight to the point. Comes with way more tests for the same price as other brands. The packaging is simple and easy to read. The test strips pads haven't come off, I've had this issue with other brands. Great price amazing product

Jerry R. (Washington, DC, US)
Test Strips

Work great and easy to read

Patricia M. (Superior, WI, US)
Very Satisfied Customer

This was my first time ordering from Aquarium Co-Op. I am just starting out in the hobby and in the process of cycling a tank for a Betta. I have watched numerous videos from the most popular YouTube videos on fish keeping. So many of them recommended these test strip for their accuracy, ease of use, and reasonable price, so I decided to try them. Shipping was fast, and my items were packaged very well. The strips were so straightforward and easy to use and read. I was extremely happy to see everything was normal, so that I can now provide a safe environment for my Betta. My search is over, and I will definitely be ordering these again, and telling others about this amazing product. Thank you so much to Cory and the entire staff at Aquarium Co-op for your online videos that are so helpful and informative. I love the opportunity to support an independent business! 😊

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