I wouldnt use that on a 5.5 gallon. Thats a lot of light over a little space and incandescent lighting gives off a lot of heat. Over the 10, 40 watts is fine but I would still go with smaller.
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For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow.
Member of the AGA (Aquatic Gardner's Association)
Member of the IBC (International Betta Congress)
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