Reason for algae - calcium & mineral deposits

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hankn

Candiru
MFK Member
Aug 7, 2007
325
7
48
Israel
www.interall.co.il
For 3 weeks now I have been combatting an algae bloom that has made my water green and murky.

Plants I got.
Shade I have.
Anti-algae additives I have.
UV I have.

Yet it just gets worse and worse. So I replaced my UV bulb - perhaps it was too weak - yet no improvement.

I was starting to give up when I thought perhaps there is something blocking the UV blub - maybe a piece of cloth or something else.

I took apart my filter and all looked ok. So I decided to take apart the sleeve that holds the UV and in side was calcium & mineral cakeup the thickness of a wall:
apr24-2009-uv-minerals.jpg


So I used some anti-mineral liquids on it and cleaned it off and washed it down and now it looks like this:


apr24-2009-uv-clean.jpg


Now to let the UV do its job over a couple of days.
 
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