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Re: Nice planted tank photos & spot algae
Shireen's tank has been getting spotty with algae.
I'll offer some inexpert info, fwiw:
I seem to get plenty of nitrogen from fish food, but I need
to supplement the PO4. I know I have gone too far with PO4
when I get lots of spots.
I was adding a smidgeon or so of PO4 (as KH2PO4) only at
water changes, once weekly, to start with, but the plants
seemed happier, and I could maintain levels around
(roughly) 0.5 -1.0, if I added a little bit more once or
twice between water changes also. And this helped to
moderate N levels too. When my spots get too happy and
healthy, I back off on the PO4.
Of course tanks differ.
When you scrub the spots, the algae moves around with the
water and eventually settles on a new surface. Scrubbing
is a way to move rather than to *remove* them.
You might try a couple of things: Keep the stuff afloat
(scrub often) and add UV to kill it while it's in the water
-- do this until tank settles down.
Always scrub your spots before a water change so that you
can physically remove some of the stuff with the water.
BTW, having mentioned small doeses, here's another place
selling those little measuring spoons:
http://www.save2much.com/buy/search/Dash_Pinch_Smidgen_Measuring_Spoon_Set_Measuring_Cups_Spoons
Scott H.
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