However, as the filter may not remove all the Chlorine or Chloramine from the water, it remains to be a good idea to use a conditioner to be on the safe side. Spring WaterMany styles of spring water are suitable for combating fish without any conditioner or amendment. If it is too removed from impartial you will need to adjust it. PhPh is a measure of acidity or alkalinity. A ph of 7 is impartial. Below 7 is acid and above 7 is alkaline.