I think you should be fine with the 130 watt pc
's. From what I can tell is that your brain is becoming unbleached. Mine did the same thing. It turned from an aweome looking neon white to an awsome looking neon green. It looks like yours maybe a red brain. Here are the before and after pics. I think that for what you ahve a pc
fixture is just fine. If anything go with the 150 watt pc
's. If you want clams then go with a rock dwelling species and keep it up at the top and get the 150's. I think what you have will do just fine for what you have at the moment though.