V Voorhee Fish Fanatic Joined Aug 19, 2004 Messages 73 Reaction score 0 Nov 12, 2004 #1 can i empty 60% water or more then add crush coral to my substrate mixing it together then fill the tank back up and add rocks? will i lose the cycle of the tank? any suggestions?
can i empty 60% water or more then add crush coral to my substrate mixing it together then fill the tank back up and add rocks? will i lose the cycle of the tank? any suggestions?
F freddyk Fish Aficionado Joined Sep 20, 2004 Messages 3,005 Reaction score 0 Nov 12, 2004 #2 Yes you can. Most importantly leave the filter(s) intact, don't clean them out or replace the media. You will still want to add the new fish carefully, though the bio-filter will still be intact it's best to assume it is not as strong as it was.
Yes you can. Most importantly leave the filter(s) intact, don't clean them out or replace the media. You will still want to add the new fish carefully, though the bio-filter will still be intact it's best to assume it is not as strong as it was.
OP OP V Voorhee Fish Fanatic Joined Aug 19, 2004 Messages 73 Reaction score 0 Nov 17, 2004 #3 Are you sure? what if i add some small fishes to keep cycle going same day like bloodfin tetras?
F freddyk Fish Aficionado Joined Sep 20, 2004 Messages 3,005 Reaction score 0 Nov 17, 2004 #4 I just realized you are adding more substrate, not replacing it. The cycle should be fine.
