Acrylic-Safe Replacement Blades Contents: 3 acrylic-safe replacement blades To replace the blade: 1. Remove old blade by grabbing the plastic piece in the center with your thumb and index finger and push down with thumb. 2. Reverse the process to replace with new blade. For acrylic aquariums make sure to use the white acrylic-safe pad that came with your Algae Free cleaner.

Model: 73226