Measures nitrate, nitrite, pH, GH, KH, and chlorine
Results in 15 to 60 seconds
Available in two sizes: 25 and 200 tests
Frequently testing your water quality is one of the keys to successful fishkeeping. We developed the 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.
When in Doubt, Test the Water
Not sure why your fish are acting weird or if it's time to clean the aquarium? Or maybe you're uncertain about how much fertilizer to add. That's why we made our test strips quick, accurate, and affordable — so you can test the water any time you're in doubt and help troubleshoot potential problems.
Laminated Color Chart
Tired of getting the paper chart on the back of your test strip bottle wet? We feel your pain. That's why we included a second, laminated color chart inside the bottle that you can remove and use for viewing your test strip results. Easy to wipe dry and keep clean.
I can not do without these strips. They have saved my aquarium over and over again. I cut the strips in half which makes them last longer. With these strips I can tell when ph is getting to high or low. The strips I purchased in pet stores were not accurate. These never fail. Saves my fish!
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Wayne N. (Longview, WA, US)
Not super accurate
I found that the strips were difficult to read, and registered a little lighter than the app master test kit. The colors also didn't seem to be one solid color. They looks swirled like it wasn't mixing well. I dried dipping all sorts of ways and followed co-op videos and instructions. I eventually got a little pipet a d dropped 2 droplets on the strips which helped. Still not going to order these again.
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David G.
Awesome strips an all in one for less headach
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WW (Seattle, WA, US)
Easy to use; cost effective
These test strips couldn’t be easier. They are consistent, accurate, and at a great price point.
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Anne D.
Products arrived and were as I expected but the plants had been frost bit, I reached out about the plants via messenger and they asked for pictures and issued a gift card (my request) immediately! They are also SUPER helpful with aquarium issues via messenger and they have TONS of videos about SO MANY subjects!
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Janet L. (New York, NY, US)
Works as intended, fast shipping
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Alexis B.
I’ll always have these, I feel so much better about my tank having these around. They get the job done quick and efficiently!
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James T.
Excellent product…
I have other test kits that use drops and wait
This is fast and easy and with 6 tanks is the only way to go.
Gives you a snapshot of the water …and that can be everything.
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Rick B.
Perfection
Received products ordered on time and in good condition,plus the on line tracking was fantastic
