moisture stains and fungus in the ceiling due to the evaporation of a reef aquarium

aquarium bacteria because black ceiling condensation damp dirt dirty due evaporation fish fungi fungus hole home house humidity hygiene infection infestation infiltration leakage leaking microorganisms mildew moisture mold moldy mould neglected old paint problem reef reefers remediation renovation repair roof room rot rotten sanitation stain stains structure tank toxic unsanitary wall water weathered wet white