lights came on a bit ago water cloudy no rbta to be found( 40 gal tank) had a small powerhead slits big enough for spaghetti. most of the corals are closed.i do see remenants of something cloudy void of color. Was this food for them ? I am now starting to make some ro=di . I geuss this is why you have some on hand . I usuallu have like 7 gallons for top off. Last night doing top off with ro-di (gallon jug) with airling siphoning into tank . If rbta was near this top off water do you think this was his demize. Sonow I wait for the water to do a w/c...