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Replacing old thermostat with new wi-fi Honeywell

I'm trying to replace my old mercury thermostat with Honeywell Rth8580wf. The cable has 8 wires, only 4 were being used. The wire colors and letters on the thermostat do not match up, so I'm left with ...
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Buy Fluorescent Bulb With Warranty Or Without In This Case?

I need a new E-14 fluorescent bulb of 9W for my aquarium since previous was 15W and got burned. People recommended to drill holes in aquarium's lid to allow convection but since former bulb was 15W, ...