1. mede

    Drill extra holes into the bottom of my spray-bar (downwards)?

    I'm using the spray-bar vertically placed in my 60x30x35cm tank and the filter I'm using is a TetraTec EX600 (600l/h)...... (is it better to convert my measurement units to UK units??)... There is a good flow to the other side of the tank where the flow from the spray-bar clashes to the...