I have a 55 gallon aquarium measuring 48" x 13" x 20". It is a freshwater fish-only tank. I recently purchased an LED light fixture and was shocked at how little light it produced so I returned it. Can anyone recommend a good non-LED light fixture that would be ideal for my aquarium? I have a 12 inch long pleco, an albino cory catfish, and an assortment of swordtails, mollies, and platies. Thanks!