Local water high phosphates - The Planted Tank Forum
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post #1 of 3 (permalink) Old 05-09-2014, 03:00 PM Thread Starter
Planted Tank Obsessed
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Local water high phosphates

So, my local water seems full of phosphate (5+). I just switched over from PPS pro to EI dosing regime, should I still add the KH2PO4? Seems redundant....I'm using a phos absorber in another tank after a huge algae outbreak/cloudy water/ deaths. Had thought to put that in this tank too, but then why dose it on top of that? Thoughts?
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post #2 of 3 (permalink) Old 05-10-2014, 01:38 PM
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Skip the KH2PO4 and test the phosphates in the tank right before a water change. If there is still a positive test (no matter how low) then the plants are getting enough phosphorus from the water change.

If the plants have used up all the phosphorus you might think about a low dose just once a week, a couple of days before the water change just so the plants do not run out in those last few days.
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post #3 of 3 (permalink) Old 05-21-2014, 12:35 AM Thread Starter
Planted Tank Obsessed
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Got it. Thanks for your reply; my computer crashed or I would've responded sooner. I've spent days reformatting/ reloading/ hunting for things.
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