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 1022 reviews
Steph (St. Cloud, FL, US)

Fast, easy, and accurate. Clear instructions and results.

Joe B. (Beacon, NY, US)
Test strips

Compared a couple to my chemical test kit and they work just fine , what a work saver.

Theresa S. (West Bloomfield, MI, US)
Multi-test strips

Better price and higher quantity than what you get in the store!

Coby C. (Aquilla, TX, US)
Good test strips

These make it easy to check multiple tanks quickly. If something seems off on these, then I can use liquid tests to double check things. Great value as well!

Brennan C. (Poughkeepsie, NY, US)
Great website

Amazing service and they are always helpful