> -----Original Message----- > From: David A. Youngker [SMTP:email@example.com] > > > >Two questions: > > >1. How quickly are these concentration shifts taking place?... > > One afternoon (about 100 liters tanks (1m*0.5, 30cm height), > > about 35l water changed) [JMS] > > The change in osmotic differential may be a little quick for the Rams. Try > two 20-liter changes across two afternoons. Add the softer water > gradually, > as with an air line siphon to drain the fresh water into the tank. It'll > soften the blow a little. > I used an air line siphon but will split this in 2 days.[JMS] > I would monitor what's occurring in the tank _as you make the change_ and > for a couple of hours afterward just to keep an eye on the stability. Even > what specificaly would you monitor ? [JMS] > To _that_ end, > it's also more effective to also have your fresh change water peat > filtered > in a reservoir outside of the tank. That way, you aren't removing the > nitrogen compounds and having to sit back and wait for them to be replaced > by a build-up of humics. > never though to do that, not a silly idea at all. Not sure my wife will appreciate though ;))))))) (I have a battery of 6 tanks ;))))))) )[JMS] > One drawback to this is the use of peat from standard aquarium sources > like > Fluval. Once processed for the filter for consistent texture, etc., there > are a great deal of useful humics removed. Why? Because a lot of people > that > want the chemical effects of peat don't like the accompanying "visual" > effect of staining the water. Little do they know... > Yellowish is fine for me too. I saw 'granulated" peat. Any comment on this "granulation" ?[JMS] > If you're worried about using the peat itself, take a look at > http://www.mindspring.com/~nestor10/trials/peat_trials.htm . It's a page I > threw on the site a little over a year ago to outline an intended study > project in the hopes of better illustrating the "generalities" of peat > filtration. Unfortunately, my private life hasn't yet afforded the > opportunity for the full run... > I know what you mean..... Time is tight or so Booker T&the MGs used to sing ;)))) Great post, thanx ![JMS] > -Y- > ------------------------------------------------------------------------- This is the apistogramma mailing list, firstname.lastname@example.org. For instructions on how to subscribe or unsubscribe or get help, email email@example.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!