I've a FX5-which do people feel offers best biological filtration; Substrat Pro or Seachem Matrix?
someone told me for powerful canisters I'd be better off with PondMatrix as it deals with high flow rates better than normal Matrix.Is this right?
thanks for any advice
Rob
someone told me for powerful canisters I'd be better off with PondMatrix as it deals with high flow rates better than normal Matrix.Is this right?
thanks for any advice
Rob