sinking

tried to search any related by they all are floating version I need help with my gar. Recently happen. morning & evening I check it still fine, recently found my gar laying sideways (or upside down) at the bottom of the tank. move my gar to the quarantine tank. Can help what is wrong with it...

I've been feeding New Life Spectrum for over 10 years and have always been happy with their product. I've always bought the "sinking" type; since I have overflows, I don't want the food to float and get sucked straight into my filter. I ordered the 1MM size last month and the 3MM size a few...