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Re: Phosphates off the scale

ken shaffer:
"ph 7 (apparently the co2 has effectively lowered the ph of my tap water
from 8)
GH 80
KH 60
Phosphate above 5.0
NO2 no trace
NO3 no trace
Ca 140
Fe no trace.
lighting is approx 2.4 watts/gal
co2 1 bubble/ sec."

Hello Ken,
I will let the experts analyse your values.  But the GH and Ca values looks
strange to me.  GH = Ca + Mg.  But your Ca values > GH.

BC (Singapore)