slr5000 Posted February 26, 2014 Report Share Posted February 26, 2014 has anyone put a tap valve on a External Canister Filter to slow the flow rate ?? was it fine or did something go wrong ?? Link to comment Share on other sites More sharing options...
Donny@ageofaquariums Posted February 26, 2014 Report Share Posted February 26, 2014 does put back pressure on the cannister. I usually just add a few white filter matting pads they slow it down right quick! Link to comment Share on other sites More sharing options...
