heres the deal.4 days ago my aro showed up with ick but my loaches showed no sign visible i raised the temp and added salt by last night no ick showing on anyone so today i got home from work and my big clown loach is showing ick i did another w/c added more salt temp is 83 water params are great so is this normal or am i having a super outbreak i was planning to treat for about 10 days but with this new development should i step up my treatment measures