O OscartheGrouch Feeder Fish MFK Member May 2, 2007 262 0 0 Boston Jun 27, 2008 #11 Test for nitrates. If you did your cycle correctly, it should be pretty high. You should then do at least a 75% water change before you add your piranha.
Test for nitrates. If you did your cycle correctly, it should be pretty high. You should then do at least a 75% water change before you add your piranha.
