Hi ppl, i bought 2 tetras to start my aquarium before i put any other fish in. I was told they eat the same food as my plattys and guppys, but everytime i ve fed them, i never saw them eat. i Bought them 5 days ago. Here is what i tried to feed them with: complete pellet food from nutrafin, spirulina algae tablets from nutrafin, complete flake food from nutrafin, and livebearer food mixture of flakes and tubifex worms from nutrafin, which one is the right one? or do i have to buy another kind of food? Thank you guyz