First off, welcome to the site.
Secondly, this is not the best way to feed your oscar and red terror. Your fish's long term health and water parameter's health will be better if you use a quality pellet food as your main feed. It's OK to feed live foods every once in a while, but it's not at all ideal or necessary at any time.
Secondly, this is not the best way to feed your oscar and red terror. Your fish's long term health and water parameter's health will be better if you use a quality pellet food as your main feed. It's OK to feed live foods every once in a while, but it's not at all ideal or necessary at any time.