Ammonia, window cleaners, and various harsh cleaners might cause harm and should end in crazing. Acrylic sheets are a sturdy material demanding small maintenance. Ought to any adhesive or sticky material can be found in contact with the surface area, use ONLY solutions meant especially for acrylic treatment and cleansing. https://ucacrylic.com/acrylic-fish-tank-aquarium/acrylic-swimming-pool