Added Java Fern and fish look sick

[Bottomfeeder]

EMERGENCY!!
about an hour/half ago i added some java fern to my tank (s). The tank with White Clouds and an Ottocinclus are all pale and washed out!!! WTF!!!!1
i took it out and im gonna do a wc
strangely enough the fry and Mosquitofish seem fine...
whats goin on?????

 

[Lupin]

Where did you get the Java moss? Was the source even free from possible pathogens? What are your water parameters? Temperature? What do you feed your fish?

 

[Bottomfeeder]

for free from an lfs employee
i believe so
not sure
frozen food and flakes
fish seem better now. the lights in my room were off and when i turned it back on the fish looked washed out. im guessing they were asleep and they had just woken up lol