no i dont stir the water, do i have to? i didnt know that

i just rely on the
power head and the filter for flow, which the tank is pretty windy. the surface has on rippled clear area but the rest is icky. i did a water change last night and its clear now. im gonna see how long it can stay clear, it could be the food, i use prime reef and the flakes are a bright reddish color, could it be the food? maybe its food coloring?
i use carbon and chemi pure in the filter. the water beneath the surface is crystal clear its just the surface scum its so weird lol
i use marine snow but that pretty much has no color. i wont add the ion buffer this week and see if it comes back, but now im starting to think its the food
do i have to feed these 2 clowns everyday? they beg so much i feel bad for them