nes999;3773272; said:i like ehfisubstrat better but if ur saving the money go with matrix to the person said if eheim's was 20% better just buy 20% more matrix you cant add 20% more to a canister filter when its full its full
mgk;3773298; said:i got the substrate pro im not that impressed with it.
but I love the regular EhFi Substrat.