All TETRATEC CLEANING EQUIPMENT TETRATEC CLEANING EQUIPMENT Tetra MC Large magnetic glass cleaner£12.75 Tetra MC Medium magnetic glass cleaner£6.94 Tetratec De luxe Gravel Cleaner GC50£12.38 Tetratec Easy Wipes£2.67 Tetratec Glass Scraper GS45£6.53 Tetratec Hydroclean GC40£9.57 Tetratec Junior Hydroclean GC30£6.75 Tetratec Replacement Algae Scraper Blades CE045£2.29