I really want to give this a try, I am currently setting a 240 planted tank and have already started the MTS process. I would love to find some humus to use instead, but all the stuff I seem to find here is still very organic. Would the substrate/cap that you listed in your last post be superior to eco complete? I have about 3 1/2 bags of eco left from a tank that I tore down and was gonna wash it and cap with that for the CEC property of it.