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Re: Algae Sequestering of Nutrients
First, welcome back Frank, I have miss your posts.
Neil Frank wrote:
> the soil doesn't necessarily start out with a lot of phosphates,
> but over time I believe it soaks it up from stuff which precipitates
> out of the water.
You have mentioned this before. As I recall, you felt that one of the real
purposes of laterite might be to serve as a "sink" for phosphate, taking
it from the water column and "pulling" it safely into the substrate, away
from algae. I have green algae at the substrate / glass interface (not
Your comment has always made me wonder whther this was because of
elevated levels of phosphorus in the substrate or because I just don't clean
this area as well.
Do other APDers wonder about algae around the "substrate / glass interface"?
christopher.coleman at worldnet_att.net