This is what I do. I rinse the the frozen food under running water in a brine net. Then I take some tank water in a cup and put the food in the cup. I add the garlic and Selcon. I let soak for a little and then dump the cup into the tank.
"When creating an aqua scape, strive for the beauty of imperfection, as its art and there is no wrong or right, it's left open for interpretation" James Findley