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These work well. Are simple and easy to understand with the enclosed instructions. I would like the test to include ammonia. I will likely purchase a brand that does next time, but for now, these strips give me a general idea of what is happening in my fishes' water. Thanks! V.B.
Verified purchase: Yes | Condition: New
I'm extremely happy. Ordered these because I've used them before. Super fast shipping. Good price.
Verified purchase: Yes | Condition: New
Believe it or not these strips are very accurate , I would even go as far to say that the margin of error compared to chem test is 0 ,they are more accurate than what alot of people would lead you on to believe!! API test strips!!! I highly recommend especially to new aquarist!
Verified purchase: Yes | Condition: New
Read the direction carefully, though. Some readings have to be taken right away, some after 30 seconds.
Verified purchase: Yes | Condition: New
Product worked well but it came with the box greatly damaged from the light packing.
Verified purchase: Yes | Condition: New
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