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 738 reviews
Jeffrey L. (Kansas City, MO, US)

Very helpful in checking on water conditions.

joeinphilly (Royersford, PA, US)
Far better than the drops and tubes alternative

A very efficient, easy and simple way to stay on top of the tank chemistry. Far better than getting the tubes filled to the line, then getting the right amount of drops in two sequences and then measuring against the color palette. These strips are dip into the tank and then read out the spectrum of measures and then toss the strip.
Highly recommend these strips

Bobby J. (Wylie, TX, US)

Easy to use and has the same results as my API kit. Fast!

Michael D. (Severna Park, MD, US)
Great tests!

These are easy to read and you only have to wait for one minute.

Ronald V. (Nashville, TN, US)
Test strips

Love these test strips
Fast results
Out preforming other brands
I know My planted aquariums are within acceptable parameters