Flipper not cleaning you aquarium like new? Sounds like it's time to replace your blades. Flipper blades our made of high quality stainless steel to withstand being kept in your aquarium and will typically last 3-6 months. Compatible with Flipper and Flipper Float cleaners. Make sure you check your size as we have 3. Nano Standard Max. You can typically tell by the handle graphics. Replacing your Flipper blades Flipper blades are design to be replaceable and it takes about 30 seconds to replace your blades. Be sure to check out the video below for detailed instructions Stainless steel blades are for glass aquariums only.