Mag-Float Large Replacement Scrapers (2 Pack) Filter Socks & Fleece They do not typically bother

They do not typically bother other types of invertebrates

Optional USB power adapter: Allows the device to remain powered without a PC

or weak roots

Useful for maintaining large aquarium

Mag-Float Large Replacement Scrapers (2 Pack) Filter Socks & Fleece They do not typically botherMag Float Large Replacement Scrapers (2 Pack) Replacement Scrapers for Large Mag Float Cleaners The Mag Float Large Replacement Scrapers replace worn blades on compatible Mag Float Large and Large Plus glass aquarium cleaners. The scraper attachment helps remove stubborn algae and deposits that are difficult to clean with the standard pad alone. Large Mag Float Compatibility Notes Designed for compatible Mag Float Large and Large Plus glass cleaners