About This M for Thicknesses of 0.2-0.4 inch Fish Tank: Mainly used to clean algae and impurities on the aquarium wall; Comes with one stainless steel blade and one plastic blade; Suitable for all sizes of aquariums, just need to match the thickness Suitable for Glass and Acrylic: The stainless steel scraper is suitable for glass aquariums and the plastic scraper is suitable for acrylic plastic aquariums; It is very easy to replace, please be careful with your hands when replacing Magnetically Strong and Floating: The magnetism is very strong,perfectly adsorbed on the glass,free move to clean up; at will even through right angle; Beyond the magnetic distance, the algae scrapers brush floats on water; Simple disassembly and assembly No Scratches and Cleaned Up Nicely: The outer side is made of felt material to effectively clean the dust on the outer side; the inner side is made of nylon hook material to effectively clean the stubborn algae; Finely designed will not cause scratches Precautions For Use: Please check the product blade is not deformed by any accumulation of pressure before use; The magnetic force is too strong is difficult to separate,please separate by thick cardboard or foam board; Please be careful with your hands
