Bravo for using a QT Tank, I lost a lot of fish and coral in the past because I didn't. As far as a light goes unless you are keeping something that has a really high light demand the clip on desk lamp idea with self ballasted daylight fluorescent screw ins works well. Two or three of these for corals will usually be fine unless of course it's Acro and even then if you put it on a PVC support to get it close to light it should do fine, it may loose a bit of colour though. QT should be for 4-6 weeks or longer, try a FW dip for fish before going into QT as any parasites will fall off. I like to use SeaChem Marine buffer to get the pH right, keep the fish in there for 10 min or until they start to show signs of stress then move them into the QT tank. There are a lot of medicated dips for corals that help to get rid of flukes and flat worms etc, research them, some just use a couple drops in a gallon of water where others use teaspoons or more.
Again, bravo for the QT Tank.
Doug
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