So this summer I purchased a 300 gallon acrylic aquarium that has a black background. I have it filled and have fish in it. the problem im having is that my fish are becoming dark and loosing there color due to going from a blue back ground to a black one. The only thing I could think that would work is to take some sheets of plastic make them blue attach suction cups and stick it to the back wall. Besides algea what else would i have to worry about by doing this. If you guess have any other suggestions please let me know. I don't have the tank space to take this down for a styrofoam back ground either.
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