For glass and acrylic aquariums --split-- Glass and acrylic aquariums 5/8" to 3/4" thick The Tiger Shark will easily remove algae off smaller tanks. Its inner assembly will float to the surface if disengaged for easy retrieval. Glass aquariums holding 200 to 350 gallons Acrylic aquariums 72" long and 36" high, 96" long and 30" high, or 120" long and 24" high Large 4" x 2" cleaning area At Algae Free, LLC they make the highest quality aquarium cleaning magnets for use on glass and acrylic aquariums from 10 to 1,000 gallons or with a thickness of 1/8" to 1". Our cleaning magnets are made with Neodymium Rare Earth Magnets, one of the strongest magnets in the world! Algae Free LLC don't use surplus magnets -- only new. All of our cleaners are made of the finest, safest and most cost-effective materials available. The outer magnet assembly is handcrafted in the USA.Each Algae Free cleaners have the following qualities: Strong, high-quality neodymium rare earth magnets Replaceable scraper blades for glass and Acrylic aquariums Replaceable inner scrubbing pad with nontoxic adhesive backing Replaceable felt pads for the outer cleaning assembly Floating interior magnet assembly (except Great White models) Inner assembly is non-toxic and can be left inside tank all the time -- it will not rust! Can be used on all glass aquariums Acrylic-safe inner scrubbing pads make it ultra safe to use on acrylic aquariums Can be used in fresh and salt water Decorative finish that becomes part of your aquarium Limited 2-year warranty on material and production defects
