By far the easiest and quickest water test I've ever done. I like the mini-pipette ("pipette-ette") included with the tests. It's very convenient to have all tools required in the kit. I bought three test kits, and plan to use them every few months as a check-up. Thanks Coop :)
Quick and easy. Only issue (minus one star) is the price. Too expensive to use as often as I would like to.
Good for a quick check but expensive with only tests.
Worked exactly as advertised. But make sure you know you are only getting two tests as stated clearly on the product page, after which the vials are essentially trash. In hindsight I would have saved my money and just bitten the bullet and gotten a drop checker, which i eventually did anyways. Could have put that 5 dollars towards another fish or some plants :D
Quick and easy, just fill it half way shake and check the color. It's almost like an immediate drop checker. Great for spot checking!
As long as you know there are only two tests in this, you are set! It’s quick and easy.
This test accurately and quickly provides information on the saturation of CO2 in one's aquarium. My only complaint is that, when I bought, I failed to realize that only two tests come in a pack and that there are no refills. I contacted Dennerle directly, and they said there were no current plans for refills, either. With that in mind, it's hard to recommend these other than for an occasional spot test. Service from Aquarium CO-OP, however, was excellent and I highly recommend them as a source for aquarium supplies.
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