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ADA substrates - revisted
Recently I posted that AquaSoil from ADA had a neutral
effect on pH, this from a recent TFH article I had read. I
would now like to rescind my original comment. I have re-
read the December, 1998 issue of TFH wherein Amano writes
about the ADA substrate in response to the many questions
he receives about it.
I would like to quote the parts of the article which relate to
AquaSoil. Amano writes:
I have received many questions with regards to the
substrate, so I will write about my experiences with
substrates. The Nature Aquarium substrate is composed
of a unique double layer of soils.
[snip]
We use a baked earth or clay material for the upper
layer of the substrate.
[snip]
Baked earth or clay is placed above the layer of
pumice stones and peat. The baked earth does not
have many nutrients and helps to prevent water
eutrophication.
[snip]
Please note that since baked earth can easily crumble
after it has been used in an aquarium for a while, one
should replace the baked earth every time one
changes the layout.
While the ( pH ) statement I had made earlier is not refuted in the
article, nor is is confirmed. I should not have inferred "low nutrient"
meant no effect on pH. This is not accurate. I apologize for inferring
something I should not have.
Christopher Coleman
christopher.coleman at worldnet_att.net