Update:
One of the delhezi began to look sluggish and lethargic. It was almost floating in among the roots of a chinese evergreen that it frequents. In spite of two back to back waterchanges, my water params were not looking good.
I immediately set up a 37 gallon from storage using 50% water from my perfect param 180g and 50% tap+prime. I then added a bunch of gravel and large rock from the 180, and a large piece of driftwood from my axolotl tank. I traded the filter from their previous tank with the larger filter on my guppy breeder, let it run for a couple of hours, tested the new tanks parameters, and added everyone.
If symptoms persist I will treat them as necessary, but for now everyone is happily swimming around and exploring their new space.
They accepted massivore soaked in bloodworm juice, although the lap did not eat. I am not positive if the endli ate or not, but he is sniffing around at the last few pieces right now.
That was one of the most stressful experiences I have had since I began this hobby. Well, besides the time when I added a m/f pair of green terrors to my otherwise happy cichlid tank and woke up to find finless fish decorating the surface of my water. Note I was eighteen at the time, and thought I knew what I was doing. That experience taught me a lot about life in general.
Anyway, would you reccomend one of those medications over the other Doc? Do they each require that my filter does not run? I am going to set up their previous tank as a hospital in the morning, but I would rather dose their new home, so long as this is a viable option.
What preventative measures can be taken to avoid the various ailments common to polypteroids? Obviously clean parameters are a must. I will never make the mistake of using a sub-25g tank as a grow out home ever again. I was changing the water every other or every third day, and it still wasnt enough to keep ammonia below 1. And good god did the constant tampering bother the polys @_@
Sorry for the long post. Thanks, friends.