I have 2 x 10" oscars in a 75 and for 2years they had mild HITH that
seemed like it was going away. I did 30% water changes twice a week
but recently cut down to 25% twice a week and now the HITH is
gettting worst again.
Do I have to go back to 30% or maybe more twice weekly to keep these
oscars?
seemed like it was going away. I did 30% water changes twice a week
but recently cut down to 25% twice a week and now the HITH is
gettting worst again.
Do I have to go back to 30% or maybe more twice weekly to keep these
oscars?
