API Test Tube Replacements - Box of 24 fish-r-fun Suitable for a variety of

Suitable for a variety of aquatic plants

Regular replacement of your UV bulbs is essential as they gradually lose effectiveness

This is a replacement Flap Set for a Juwel Aquarium Rio 180

Always avoid mixing directly with calcium

API Test Tube Replacements - Box of 24 fish-r-fun Suitable for a variety ofMaintain the accuracy of your aquarium water testing with these replacement test tubes designed specifically for API liquid test kits. Each box includes 24 clear, durable tubes, perfect for aquarists who require dependable spares when regular testing equipment needs a refresh. These tubes offer consistent and reliable measuring capabilities, ensuring your water tests are uninterrupted by the loss or damage of previous tubes. Key Features: Compatible