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Re: Dana's question/hardness
> I have a neutral ph of 7.0. I inject CO2, and add PMDD daily to obtain an iron
> reading of around 1.0ppm.
Dana, you should keep the levels down for Fe to around 0.1ppm or
less. Maybe the high Fe levels could be affecting something within
the plants. I know from experience that lots of Fe will help get you
lots of algae, so beware.
The dK and dH values look pretty normal.
____________________________________________________________
Jamie Johnson "Keep your eyes on the stars
Chemist-Trace Metals and your feet on the ground"
Davis & Floyd, Inc. -Theodore Roosevelt
jjohnson at davisfloyd_com