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> >garden variety sphagnum, and get the same substrate for less money (call it
> >Poor Man's Amano Substrate- or PMAS)
> There are SO MANY types of peat, be careful! Try to find one with a very
> LOW organic content.
If it is low in organics, it won't be useful. The acidity ( I keep South
American fish) and softening effects are both by-products of the organic
nature of peat moss. In fact, now that I think of it, even the peats that are
low in these properties are organic in nature. Sphagnum moss-baseed peat is
high in organics and high in acid/softening. Woody-stem-based peats are low
in acid/softening properties, but still pretty much organic in nature.
> But you should add a NPK fertilizer too (possibly as low as you can in P).
That goes without saying, as part of any fertilizer regime.
> ADA use white pumice (which I think it richer in sylicates and allumicates
> SiO4 & Al2O3) and they use 3 different sizes accordingly with the tank's
> small size for tank less than 40cm high
> medium size for tank between 40cm and 60cm high
> large size for tank more than 60cm high
Thanks, Luca. That defines it.
> The small size I used is 5-8mm diameter in size.
That's like 1/8 inch. Are you sure that's Amano's idea of "small"? Most
folks on this list look for 2mm gravel.