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OK - everybody, let's check the obvious...

Posted By: Iris <Iris6@aol.com>
Date: Sunday, 16 April 2000, at 3:08 a.m.

In Response To: cry for help... (jermand)

How many hours of light - including direct sunlight - is the tank getting each day? Are you using a timer? Even a few occasional nights with the light left on too long is enough to get a nice algae bloom going! More than 10 hours a day will encourage algae - unless you have a tremendous number of plants.

Since your tank becomes more acidic without any chemical assistance, what kind of rocks or substrate are you using? Anything that might affect the water chemistry? Anything that might add minerals that nourish the algae? Or do you have driftwood or peat, which will naturally make the water more acid? There's nothing wrong with your pH - it's nice, as a matter of fact - but knowing what is lowering the pH may also help you find what is helping the algae grow. Then again, it may have nothing to do with your problem.

About the other concern expressed here - algae won't grow without nutrients and light. So, yes, you'll transfer algae from one tank to another - but it isn't going to grow if conditions aren't suitable.

One remedy I like to suggest is the product called Cycle - these are bacteria that are supposed to help cyle up your tank. While there is some controversy over this, I find it works for me. The reason I mention it is that these bacteria will consume the same micronutrients the algae consume, and starve out the algae. It is a bit expensive, but is totally harmless to your fish and plants, unlike some chemical algae reducers.

Good luck!


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