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Re: Egg antifungal/antibacterial chemicals etc
Wright Huntley wrote:
>
> gunnar asblom wrote:
> >
> > Wright Huntley wrote:
> > >
> > > Bill, my experience is that the sprig of Java moss is, indirectly, a great
> > > germicide. Why? Because it brings in infusoria that are filter feeders on
> > > free-swimming bacteria.
>
> > >
> > It is maybe the javamoss,BUT if we have sucess with javamoss we usaly
> > have acid water and in acid water the bacteria dosent go so well.
> > My experiance is as more acid as less problems with the eggs!
> > With good acid water we never have to bee afraid about fungus or and
> > white eggs.The key to sucess with tricky Aphyosemions is acid water.
> > Gunnar Aasblom.
>
> I agree with that, Gunnar, but, in my case, my usual water is *not* acid,
> and my Java moss always does far better in hard alkaline water. I even keep
> it in tanks with up to 50% sea water, which it tolerates. In the wild, it is
> often an estuarine plant with high tds tolerance.
>
> It is fairly effective as an anti-bacterial in my 7.6 to 8 pH water, but
> really sensitive fish, like newly-collected coastal Aphyos and wild Bettas
> do need the acid to get the bacteria down to near zero. I'm almost half
> convinced that some of those have eggs that are damaged or stalled by Ca and
> or Mg in the water. Wish I knew for sure. It is hard to separate those ions
> from the carbonates that raise the pH.
>
> We need to find some bright student who can do touchy eggs in the same KH
> water, but some in sodium (bi)carbonate with no hardness, and some in our
> usual hard Ca/MgCO3 water. What species would be a good candidate?
>
> Wright
>
> --
>
> Wright Huntley, Fremont CA, USA, 510 612-1467
>
Intresting Wright it is maybe the combination javamoss and acid water
wich gives me the good result with the eggs.Many have problem to get the
javamoss growing espcaly the ones with alkaly water,wich contains wery
low CO2 wich is inportant for the plants.My experaince with salt and
javamoss is the same as yours have one to two teaspons of salt per
gallon in all my tanks.Our feeling is that it is the CaCO3 wich gives
the problems with fertilasion of the eggs.There is studies done in this
and the result was that CaCO3 make the eggshell to "hard" to penitrate
for the malesperms.Free Ca dosent seem to be a problem.
Gunnar.
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