I noticed Ich popped up about 2 months ago
I used Kordon's Ich Attack for an entire month and it seemed to be gone except for 4 spots that did not drop off on my biggest Clown Loach
In the tank I have 6 clown loaches (5/6 are about 2 inches but the big guy is about 4 inches) and 4 Albino Cory's
Before the Ich Attack treatment was finished all the fish had absolutely no signs of any spots whatsoever except the big guy
I was siphoning EVERY single night (which got to be rather tedious and was affecting my work...BUT I DID IT)
And it remained like this for about another 4 weeks...I was told to try Garlic Guard as that one loaches immune system might not be strong enough to push out those last 4 spots
Used the garlic guard (and had not used Ich Attack the entire time...about a 4 week span) and the big guy shook off 2/4 spots
I continued using the garlic guard with no further results...he had 1 spot on his nose and 1 on his tail fin
Oh I forgot to mention the temperature the entire 2 months this way going on has been 84
During the 4 weeks without using the Ich attack and specifically garlic guard with feedings...the Ich did not spread to any other occupants in the tank nor did it spread on the big guy
I did a large WC about 5 days ago to get rid of the brownish colouration the Ich Attack leaves in your water
2 days after the large WC (about 40%) the ich has spread again...but only on the big clown loach
the rest of the occupants again are unnaffected...and all are acting normally except the biggest Clown ... he just hides all day in his cave while the others forage for food and school etc
I'm now using Salt + heat method and have bumped my temp up to 86
day 2 of the treatment 4/8 spots on the big guy have dropped off (including the stubborn spots that sat on him for 4 weeks)
I'm really at my whits end here and I have a lot of questions to which I cannot find answers...
Why did it spread now? originally I thought those last 4 stubborn spots were exit wounds and they seemed to be so because of the fact it didn't spread for 4 weeks...then the big WC and boom it spreads only on the big guy again
Am I doing something wrong?
I really don't want to lose my big loach...he's my favourite by far...he has the best personality and he keeps the tankmates in check
The only thing that I can think of...and I'm fairly new to fishkeeping so it might not even be relevant whatsoever
is the fact that the big guy hides in his cave all day long (in the interior of peaks...barely enough room for him to squeeze himself into)
I'm assuming when the cysts are being dropped...they're dropping into the bottom of the cave (because they can only fall off that one specific fish as he is the only host in the tank with visual illness) and when they hit their free swimming stage...they rise up into the interior of the peaks inside the cave...where the big guy sits all day long
That's all I can think of...
I was referred here after 3 threads 4 pages long...I'm stumped and there are a lot of things that don't make sense here
Please help me get rid of this "Super Ick"
And thanks for making a loach specific forum

I see I'm not the only one that thinks they are the best freshwater species to keep for many obvious reasons
Sincerely,
Taylor
Then 2 days after the big WC the Ich has spread again...Why I don't know