i just found in my orca tl550 that there was a sponge at the bottom of one filter compartment which wasnt mentioned when i bought the tank second hand on the ladies weekly todo list !!!so there is fish crap which is 2years old in my sponge which i just removed im unluky that some drips landed in the water and now its all murky will my fishies be ok? and my shimp and hermits i just bougfht today
added some nitrate remover and some antired which gets rid of slime algae (probably didnt need to now i know whats causing the problem!!! i only added hlf dose any wa did i do the right thing here? im throwing the sponge away
added some nitrate remover and some antired which gets rid of slime algae (probably didnt need to now i know whats causing the problem!!! i only added hlf dose any wa did i do the right thing here? im throwing the sponge away
do a large water change 
, it will have to be!
