PO4

[zachary.villers at twcolumbus_com]

Hi,

       Been awhile since Ive posted, but Ive just moved and got a few tanks 
set back up. My tap is just about peachy, pH=7.6 kH=4, GH=8, NO3 = 15ppm, but 
here is the dinger...PO4=1.5 - 2ppm by a Seachem test kit. I like the Barr 
"reset" method, it replenishes the NO3 quite well. I find though that I am 
adding too much PO4 by doing 40 - 50% water changes. In a 75 gallon tank 
(this is fuzzy math btw, involving heavy SWAG) if I take out 1/2 a tank, lets 
say 35 gallons (minus 5 for rocks,plants,wood, etc) of 1.5 ppm PO4 and 
replace it with 35 gallons of 2 ppm PO4 water, wont I just be gradually 
increasing the concentration of phospate? (You thought I was going to attempt 
to do ratios didnt you? =) I do have press CO2 and good light, Micranthemum 
and Mayaca are doing great, Sag looks like it could use a little more iron (I 
dose Flourish 2 or 3 times a week, a capful or less) Java fern is good, some 
crypts (spiralis or some other long thing kind) do have some bba on them, 
lilaeopsis could use a little more iron too. Anyway, given my tap water, 
should I be able match or deplete my PO4 through consumption, while staying 
up on NO3, K and traces?

Or should I take my canine vocalizations to another location of Quercus sp? 
=)

-Zach


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