[APD] RE: too much PO4 - No More No more

["S. Hieber" <shieber at yahoo_com>]

Shireen, this might not apply to your case but what you
posted reminded me so I thought I'd post.

When I first started measuring PO4 (phosphate), I too was
reading at the top end of my test kit.  And I was befuddled
that changes in dosing and feeding weren't making diffs in
the readings.  So I finally concluded I was high enough
over the test kit max that the changes weren't registering.

A few water changes and some disciplined maintenance later
and the level was within the test kit range.  Once I could
see how much change I could effect by different actions, I
was able to gain some steady control over the PO4 levels.

Scott H.


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