I do have a juvenile Yellow Tang. She eats some of it, but really not enough to do any damage. I have not checked for phosphates, although I do suspect it in my water and being the main culprit.
I feed daily. I use Hikari Mysis Shrimp and San Francisco Bay Brand Saltwater Multipack. Typically, I rinse the cubes off in RO then drop one cube each of mysis and something from the variety pack into a shot glass to thaw. Once thawed, I will pour a little into the tank right when the daylights go off, but the actinics are still on. The fish have become like Pavlov's dogs with this method. I don't feed more than they can consume in a minute or two, and the shot glass with the two cubes will usually last me close to a week. As far as filtration, there hardly is any. I rely on a lot of live rock, a lot of water movement, and a HOB skimmer.
AquaC Remora HOB
See above for feeding details. I have not checked my water source, though that is what I suspect. The water out here in Buda is extremely hard. I have a whole-house conditioner, water softener, and a RO unit at my sink. I use the RO for the water changes, but I still think it isn't good enough. I don't have a sump, just a HOB skimmer.
My first Sea Hare was a champ. He knocked nearly everything out in about two weeks. I've had this one for about a month and he hasn't done anything. He is actually looking much skinnier than when I first got him. I will check out those links you provided. Keep me updated on the smart start.
I'll check out chemiclean. I was trying to go the natural route, but that obviously isn't working. I'm running out of those options.
I haven't done the 3 days of darkness. I plan on starting it tomorrow, and will post results.
Pulling out the rock will be a problem. I have very large rocks in a 12" wide tank, so I had to stack them fairly intricately. Therefore, if I decide to take one rock out, I'll have to take them all out. I had a tuxedo urchin, but he was knocking over all my frags so I got rid of him. As soon as I did, the GHA popped up for the first time. Now that the GHA has started killing all my corals, I'm tempted to try another urchin since it won't have anything to knock over (unfortunately).