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Your cart is empty.Replacement Test Tubes compatible with the Aquarium Pharmaceuticals (API) Test Kits. Includes cap. 6 Pack.
James R. Norton
August 27, 2025
While using the test tubes that came with my aquarium test kit, all of the tubes broke while trying to remove the plastic cap. No matter how easy you try to remove the cap, it will eventually break. Still, these are great little test tubes.
Jeffrey Williams
August 1, 2025
It’s a little weird that they came loose in a bag but they seem legitimate. The detachable caps are different from the attached ones on the tubes that came with my master test kit, but the tubes are the same size.
Bryan
July 21, 2025
Perfect
Geof Stephens
July 3, 2025
I ordered 6. They are pictured packed in a box, but delivered in a bubble pack envelope. 1 broke.Overall happy, hope to get replacement, but if not still happy.
Michaela J
June 30, 2025
As advertised, but one came broken.
JB
June 23, 2025
Liked that they are glass with push on covers. If you purchase the API Master test kit the tubes are plastic with attached caps which eventually fall off.
maria
June 8, 2025
Fantastic test tubes I actually prefer these over the ones that came with the kit. I don’t know if there’s a difference but they’re seems like it because these are easier to clean they don’t leave a residue like the other ones do. These are sturdier the other one’s cracked. The caps fit well not too tight or loose like the other ones. Fast shipping no issues I highly recommend.
Jade Spinks
May 25, 2025
Exactly what I needed and arrived in good condition.
Cristian Jaimes
April 30, 2025
Fue lo que pedÃ
Dave Anderson
April 11, 2025
They are plastic not glass but that is what I expected.
Wilberth Silva
February 15, 2025
Aunque no vinieron en un empaque "original", sà son de la marca API. No sé si fue por cortesÃa, pero me trajeron 8 tubos en total (me dieron 2 de más) y eso se agradece bastante! Excelente servicio y excelente compra.
Scott
February 10, 2025
The product description says glass tubes but they are cheap plastic. It didn’t even come in a box just a small bag no label nothing. I don’t even think they are the same brand as depicted.
Lisa C
January 14, 2025
Why list them as glass test tubes (along with photos of the glass test tubes) and then send plastic ones instead?
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