I find low iron glass very fragile unless its just me being too finicky. I have a ADA 60H which I once just glanced lifting off the glass cover which ended up knocking a chip off the top front, thought I could live with it until I do a new setup then I'll turn the tank around and put it at the back until one day I was moving the tank and cabinet by sliding along the laminate floor and accidentally caught the back corner on a curtain tie back which immediately knocked another shard of the back corner
Even noticed the other day that where I keep my hang on side glass thermometer has caused a chip. I know, lot of user error but I just find it very easy to damage compared to normal glass where a shard of glass will break off as oppose to just a mark. Was considering taking the tank to a glass shop next time the tank was empty and seeing if they could bevel the edges as most of the chips are along the top outside edges and polish this up but I think it may look a bit odd having a 3mm bevel and ass none of the panels are scratched which is by far the worst scenario being the focal point I worry the shop might scratch the panels during the bevelling and I end up wishing I'd just put up with it. For now I've used some ADA glass lid clips positioned to hide one chip and managed to buy some 3m glass table clear silicone corner protectors designed for stopping babies smashing their faces off the corners of glass tables on the back corners to hide the much worse chip.
Soul destroying when you mark an optiwhite tank. Because of the clarity any marks are very pronounced and stick out like a sore thumb.