I wouldn't really recommend marine snow, not the best stuff and more likely to raise your nutrient level than do any good, same for Phytoplex which I think is pure crap. Personal opinion of course, lol.
I have 3 flames and I guess I've had them for at least 6-8 months now. Mind you, we feed our fish at least 3 times per day and I also do frozen daphnia, brine shrimp, and rotifers about 3-4 times per week and minced silversides once per week. On top of that we dose amino acids and coral vitalizer. So its a "don't try this without a big skimmer, a few algae eating tangs, and a large cleanup crew" approach to reef-keeping. ;]
If you do not have a good filtration system I would say its not worth keeping one and spot feeding it at the risk of raising your nitrates and developing a nice algae problem. A lot of times they end up attaching to dark, hidden areas of your rock anyway. Kinda like my harlequin starfish, I only get to see how pretty they are when I move corals around that they are underneath. ;]
I have found over keeping scallops for a few years that they do much better if you encourage them to attach in an area with good flow where they can collect more particulate matter. Two of mine are actually attached to the base of my 12" squami, kinda funny to have scallops on my clam.
They come in a full spectrum of colors from red, orange, peach, white, and any combination of those. When they are unhealthy they're tentacles will be much shorter than usual. I haven't seen electric ones in a long time.
Thorny/treasure oysters can be kept easier than flame scallops and are very pretty in their own way. They usually come with a host of sponges and other things attached to their shells. Same for christmas tree worms, but not coco worms. | 
