Just got back into the hobby with a Red Sea Max Nano, needed a light shade so made one and thought I'd share the model if anyone else is looking.
https://makerworld.com/en/models/1748131-red-sea-reefled-50-light-shade?from=search#profileId-1858232
I recently dosed magnesium like an idiot since I got hair algae and someone more experienced said magnesium allows more species of algae to grow so hair algae will get out competed. So I dosed 4ml of fritz RPM mag. I am unsure if before or after the mag spike is when the hammer started acting...