Konohan 12 Pcs Replacement Test Tubes for Aquarium Test Kits, 10ml Plastic Frozen Self Standing Test Tubes with Scale line for Aquarium Water Testing

Aquarium Test Tube: this test tube is very suitable for use as a container for aquarium water quality testing; Clear scale, self standing base, sealed screw cap, not easy to break

Durable Material: the product is made of reusable thickened plastic, which is sturdy and resistant to falling, strong and durable; The reusable feature can provide a more economical and affordable experience

Silicone Seal: our test tube is a rotating threaded cap with a silicone seal ring inside, which will not leak under 80kap negative pressure test; Effectively protect the measured liquid quality

Self Standing Bottom: the conical standing bottom simplifies the necessity of the test tube rack; The bottle body has precise and clear scale lines to effectively control the dosage; Efficient and economical completion of water quality testing tasks

Economic Set: you will receive 12 10ml plastic test tubes, which can be applied in multiple aquariums at the same time, or for control group experiments of other reagents; It meets a wide range of uses and is a practical tool for high frequency use