Quote:
Originally Posted by Tom Barr
Before you get too excited, what test methods are you using?
Do you have a recent water report from the supplier?
IME, the cheaper PO4 test kits get really squirrley in the extreme ranges: upper and lower. Some just do not work much at all.
Same with NO3.
As there is no pressing issue, algae etc, I'd just keep an eye on the CO2 and routine maintenance.
The only thing might be a pH shift due to PO4 buffering.
Regards,
Tom Barr
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First off... Thanks to everyone that responded, all points noted. As far as the water params from the supplier, ya I have 2 week old reports with a confirming 5.2 PO4 ppm. I had them out to my place to test my ammonia levels as they were screaming at 5.5ppm out of the tap. So I'm confident (for now) with the test readings. I use the Hagen master test kit, and I also purchased a digital meter from the water company. I lucked out, the city bought new ones and I managed to buy their old one( 4yrs old) for $175. I'll continue to dose my trace and KNO3 and stop the KH2PO4 .
cheers.
zig