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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 678 reviews
John (La Puente, CA, US)

Seems to work fine

Marcus. (Louisville, KY, US)
Two thumbs up!

These test strips seems to work very well. I definitely trust Aquarium Co-Op rather than other test strips I've tried!

Ashlyn A. (Anaheim, CA, US)
No complaints

Came sooner than I expected and was well packaged. Got everything i ordered and I’m really happy with my order. Would buy from them again :)

BRANDON W. (Phoenix, AZ, US)
Great strips had to get more

My lady and I have multiple tanks. Got tired of going from my tanks to hers to get strips. So we use these every day on new tanks, and every week on our established tanks. Verified best we could that they were accurate as our liquid test kit. They are. We love the amount you get for the price. Love it.

Jose H. (Seattle, WA, US)
Great Item and quality.

This is a great test strip package. I really love the fact that I can test continuously and do not worry about running out.