Promotions API Replacement Test Tubes for Aquarium Liquid Test Kits, 24 count

Ensure you have plenty of test tubes on hand for your API liquid test kit with API’s replacement test tubes. Clean, undamaged test tubes are an essential tool for keeping aquarium conditions healthy. Dirty test tubes can alter water test results while cracks and other damage can leak or harbor bacteria, which can also lead to inaccurate test results. Each package comes with 24 glass test tubes and caps, so you’ll have plenty of spares ready to go!