Originally Posted by xjmox14x
Being your first, I'm going to assume that this was an extract kit? It could be the extract "twang" many taste. I'd imagine this would only be magnified when diluting it less...
Extract twang isn't much of a worry anymore unless you are using old extract. Typically if you buy from a good site or your LHBS sells a lot, the extract will be fresh and you won't get that twang.
Was the wort at 68 or ambient temp at 68?
Is it a cidery flavor or more green apple tasting? Sometimes flavors are really hard to tell.
If it is a green apple flavor, you may have to aerate more or your temp was too high.