Easily replaceable blades for both glass or acrylic aquariums means you can keep impeccable blades for optimal scraping.

The replacement pack for Acrylic surfaces includes plastic scraper blades sold as a 3-pack. The replacement pack for Glass surfaces includes metal scraper blades, sold as a pair. 

Currently, there are no replacement blades for Acrylic surfaces for the Flipper "Nano" (only glass). 

*Always use the appropriate blade in accordance with your aquarium surface type, to avoid damaging it.