50Pcs 16x150mm 20ml Plastic Test Tube With Stopper Lab Supplies
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Very good value considering the cost but there are issues. 1. Each tubes that I reviewed had scratches on the inside at the rounded end. See photo. 2. The seam where the rounded end is joined to the rest of the test tube was very noticeable to the touch. I hope its not this way on the inside as it will be a challenge to clean 3. One of the 50 tubes had a crack length-wise and is unusable. See photo. For my purposes, ant keeping, these tubes are fine to start a colony OR to provide a water reservoir. I would make this purchase again. I don't have enough experience to know if these could be used for chemistry.
all is fine
Todo en perfecto estado.
good
Toutes les fioles ont bien été emballée et le délai de livraison 12 jours très bien. Produits très satisfaisants.