API Test Tube Replacements - Box of 24 fish-r-fun and a 100ml bottle of

and a 100ml bottle of water optimiser

Suitable for a variety of aquatic plants

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

Always avoid mixing directly with calcium

pond conditions

API Test Tube Replacements - Box of 24 fish-r-fun and a 100ml bottle 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