So, you put two plecos in a new tank, gas them with too much CO2, and you blame the shop for the ich outbreak?
Most of that ich cure is salt, so you should be ok. But it never hurt to get new stuff. Add aeration, slowly increase the heat, and they should be ok.
Most of that ich cure is salt, so you should be ok. But it never hurt to get new stuff. Add aeration, slowly increase the heat, and they should be ok.