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Results 1 to 2 of 2
  1. Default phosphate question...


    0 Not allowed!
    as some of you know, with my topoff system being topped off with untreated tapwater instead of r/o.....anyways, the phosphates have gone through the roof and measured at 2.2 mg/l and over.

    Since then, have drained the topoff system, and replaced with r/o wateer, and upped the weekly water change and it is with some success.

    My question is, when algae dies back, does it go sexual and release phosphates into the water similar to caulerpa releases gametes when dying?
    ___________________________________________
    "Mother nature never intended us to keep Reefs. Just because its for sale, doesnt mean you buy it. Research, learn and make an informed decision, not an impulse one........."
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    Current Projects...

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  2. #2

    Default


    0 Not allowed!
    Phosphate is released back into the system when algae dies off (same for cyanobacteria too).

    The newly released PO4 can fuel remaining algae but eventually it will all die out, particularly when phosphate is at or below 0.03ppm and phosphate removal rate via GFO or other phosphate removing media out-paces PO4 uptake, live rock PO4 leaching and phosphate introduction via food.

    Not sure if non-caulerpa algae die-off is associated with 'going sexual'.
    African cichlid and saltwater aquariums

    http://www.rowelab.com/AquaControlle...9&scope=last24

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