05-24-2008, 07:08 PM
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I have been researching as much as I can.
I had already decided I was probably best off with eco-complete or aquariumplants.com's substrate from reading other threads, and also just because I am a big fan of dark substrate for stress purposes and I also find it to be more aesthetically pleasing. Right now I am leaning toward aquariumplants.com's own, but offhand it seems like one of those things where if one is better than the other, it probably isnt by a big enough margin to make a very noticable difference.
CO2 is not going to happen right at first, but I have been thinking about later on going that route, so cannister filtration is probably my best option to leave that open if I do decide to do it. I have been looking at the Eheim Classic Plus 2217. It says it works for tanks up to 132g, but it is rated for 264 gph, turning over twice per hour is a little light for my preference so I was thinking of getting two of them and that would allow me to use inline heating, which I would prefer, but I havent found a single inline heater that I felt like would be quite strong enough for a 125, and that way I could use two smaller ones. As far as heating and filtration I have always felt that two smaller was better than one bigger.