Originally Posted by Mr Pheer

It started cycling the minute you added fish to it. There is nothing to do now, except a 20% - 50% water change daily... and stop feeding them until this is over. Will only take a few days, the fish can easily go a lot longer without food. The plants make no difference, so put them back in.

Its best to cycle a tank with only a couple of fish, then if one dies its not a big loss. You may lose some now but if you keep doing water changes the die off should be minimal.