Esha ndx, gdex

[beastie]

Hi guys. So over the course of past two years or so, I know one of my tank has some form of internal parasites outbreak. While I may not see the usual symptomps (no long white poop) it must be internal parasites, because sunken bellies, when fish dies stomach area is exploded, some fish like ember tetras died after being shrunk, slight curve of spine to the U shape updside down. Some died from absolute bloat of a belly, large stomach that after death looke like exploded.

I know the tank is affected, I will lose an ember once in a few months (one has a sunken belly and is absolutely small and bent for past 7 months now), I lost one rummynose, one is missing a dorsal fin and has some sort of pineconing on the scales (5 months now, salt baths didnt help, esha 2000 didnt help, returned it after weeks in quarantine and it is doing ok and part of the school). I lost several sterbai corydoras, last death was december though, rest seem ok now. One bolivian ram will spend all the time sitting on the substrate and has a slight sunkiness in its belly. It must be something parasitical, because if it were bacterial I would have had everything die off in a matter of weeks, not have years with mostly solid stock and occasional loss.

I want to treat the tank. I know there are three types of parasites and without knowing which one is it, I would need to treat all three, so esha ndx, gdex and hexamita sound like the best options.

However EU banned the usage of any and all antihelmetics few years back (around two when I strated having these issues btw) and there is zero option for me to get anything even remotely close. I could get Metronidazolum used in some human pills for some yeast infections, but the dosage will be a hit and miss since it is a magnesium potato something capsule with no idea how it will desolve. Levamisol is sold in hydrochlorate form and none of my vets will prescribe it, all the other forms are used for birds with 20% of levamisol and rest is whatever I wouldnt put in a tank, flubendazole is also sold in a kilo or more package used for pig dewormings in a powder form that may work, but is way more invasive given it is primarily used to kill planaria. 

Which brings me the question. Would one of you perhaps be agreeable to buying me gdx and ndex and just ship it to me? I feel like it is my only option at this point.

What is annoying the fish in question are always ok, alive for long time even, no loss of color, no loss of apetite, maybe a bit erratic swimming paterns, no visible poop issues, no visible other issues, yet the tank is obviously infected.... 

As a first order of business I prepared a tank to put the bolivian ram in (as that is the fish with the obvious issue at the moment), given it is a most likely male and the other bolivian ram in the tanks are one obvious male  and three most likely females, it could still perhaps be a some sort of a bully situation, but bolivian rams are not supposed to be sitting on the substrate all the time, and all topics I have read state the fish that had these symtomps died within few days. Mine have had it for two months now. Almost impossible to include pictures, maybe in the separate tank

So anyways, please let me know

[beastie]

Oh given this question might come up, what do I feed:

I feed once a day, mostly frozen, brine shrimp, bloodworms (and I mean chironimus, the red mosquito larvae, not an actual bloodworm), mosquito larvae, cyclop, daphnia, something called red plankton (which is said to be good for freshwater fish on the blister I bought) once in a half year I feed some frozen tubiflex because I am not sure if it is good or bad and I even tried grammarus. I will also feed dry food sera vipan baby, fluval bug bites, dennerle nano crustagran. Once a week at least I will feed spirulina/chlorea tablets, dried nettle and flower tablets( sold for shrimp). I even feed bee pollen sometimes, live baby brine shrimp, since i keep hatching it for my fry, and live mosquitos from my outdoor barrel, always washed and caught into fresh water. Some vegetables, from my garden mostly, for otocinclus, though sometimes the rummynose will tear it away quicker than expected. 

I make a feeding break once a week, more often twice a week ( or feed one day morning, the next day evening) because ember tetra have an ugly tendency to overeat and get fat. I do a water change of at least 30% once a week, sand vacuum, the usual