I know I've asked this in various ways but if I'm spending a ton on a new aquarium, and my biggest priority is clarity what is the clearest (acrylic vs starfire vs another type/brand of high quality glass like low iron, or something different I haven't mentioned)? Do some materials begin looking great but over time don't last as well? I know acrylic scratches but besides that issue? I have a SeaClear where the fish appear to be floating in air it's so clear but maybe the high quality glass is even better! I have nowhere to actually SEE the high quality glass tanks in person so I truly have no clue. Name brands or materials of specific glass/specific acrylic brands that are great or are not great are much appreciated. TY!!!!!