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Cleaning a VERY Dirty Fish Tank

I have to report a follow up to the LAST confessional I had about our fish tank being very dirty. It seems every time I do a water change we will get an algae bloom within a couple days. Algae collects on the tank surfaces and then the water clears. I’ve pretty much left it when it does this until the next cleaning as our fish seems happy and content. The basic water parameters (ammonia/nitrite/nitrates) all seem at negligible levels. I’m still surprised that the nitrates are staying near zero and still assuming that the plant growth we have (and yes algae too likely) are keeping it that low. I can’t help but wonder if our well water is responsible for the algae blooms (phosphates?). So… how do you go about cleaning a VERY dirty tank?

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January 3, 2010 - 1:21 PM No Comments