







🧪 Upgrade your aquarium testing game—never miss a drop!
This 24-count box of API Replacement Test Tubes with snap-tight caps is designed for use with any API aquarium test kit, including freshwater, saltwater, reef, and pond kits. Crafted from durable plastic, these tubes provide a reliable, spill-proof solution to replace lost or damaged test tubes, ensuring accurate water quality testing and optimal aquatic health.







| ASIN | B0002AQL5G |
| Allergen Information | Apple Free |
| Batteries Included | No |
| Best Sellers Rank | #26,986 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,364 in Aquarium Accessories |
| Color | multicolor |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,264) |
| Date First Available | 7 August 2012 |
| Item Weight | 91 g |
| Item model number | 32 |
| Number of Items | 1 |
| Pet Life Stage | All Life Stages |
| Pet Type | Aquatics, Aquatics Water Testing, Aquatics Water Testing Test Kits, PetSupplies |
| Product Dimensions | 18.1 x 3.18 x 8.89 cm; 91 g |
| Quantity | 1 |
| Size | 24 Count (Pack of 1) |
| Specific Uses | Active |
| batteries required | No |
M**.
Awesome. Arrived ahead of schedule. NO breakage. I'm so happy I bought these. Much better than my plastic ones.
C**N
Excellent product exactly what was required.
T**H
The API Replacement Test Tubes with Caps are a fantastic solution for anyone in need of replacement tubes for their aquarium test kits. I use an API test kit to monitor the water parameters in my tank, and these replacement tubes fit perfectly. The quality is excellent—thick glass that feels durable and resists cracking or breaking during use. The included caps are a great addition, ensuring no spills or accidental contamination of test samples, which is crucial for accurate results. These tubes are easy to clean and work just as well as the original ones that came with my API test kit. What I really appreciate about these replacement test tubes is how versatile they are. They fit not only API test kits but also many other brands of aquarium test kits, making them a great universal option for anyone who needs new test tubes. For anyone using an API kit, these are an essential and affordable replacement part that keeps everything running smoothly. I highly recommend the API Replacement Test Tubes with Caps—they’re high-quality, reliable, and perfect for maintaining your aquarium's water quality testing.
J**A
What was ordered. Replacements for broken ones from other test kits.
T**N
Received product in good order.
Trustpilot
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