The API Spare Test Tubes provide aquarists and pond keepers with reliable testing tools for monitoring water quality. Made from durable, high-clarity Plastic , these test tubes are designed for precision and longevity, ensuring accurate readings every time they are used. Each tube comes with a screw-top cap made of sturdy plastic, which securely prevents spills and contamination during testing. These replacement test tubes are compatible with all API Liquid Test Kits, a versatile option that suits both beginners and seasoned hobbyists. Key Features: Durable Plastic construction for high clarity and precision. Compatible with all API Liquid Test Kits. Screw-top plastic caps to prevent leaks. Available in multiple pack sizes: 1, 3, 5, 10, and box of 24. These test tubes are an ideal choice for those looking to maintain the integrity of their aquatic environments with frequent testing. The availability of different pack sizes offers flexibility to meet varying needs based on testing frequency and scale. Specifications: Material: High-clarity glass Cap Type: Screw-top plastic Compatibility: API Liquid Test Kits Pack Sizes: 1, 3 (glass), 5, 10, 24
