Frauley/Elson wrote: > > Hi all, > I've been pondering a water question, and I thought maybe Wright or > another list member with water chemistry knowledge could help. Naah! I believe all the old myths about mysterious alelochemicals, etc. that will stunt growth and all. :^) snip... (Gary asked about water change with soft not available) > It seemed a shame to harden it before moving apistos into it. Would > such a small closed system, with lots of plants and one smallish fish > (alone for 2 weeks) to 'feed' the filtration have been able to bounce > back, on the short term of course, from its fully stocked level of > pollution? Or would it 'stabilize' at an unacceptable level of > pollution? Actually, it's a good question and I don't really know the answer. I usually assume that heavily-planted and lightly-stocked tanks are good for maintenance forever, without water changes, but can't prove it. For breeding, I wouldn't do it. Good biofiltration *can* do remarkable clean-up, tho. Wright - -- Wright Huntley, Fremont CA, USA, 510 494-8679 huntley@ix.netcom.com "Subvert the dominant paradigm!"