Water garden in ceramic pot

catkim(San Diego 10/24)October 12, 2009

I've had a water garden in a ceramic pot for about 3 years. There's always been some problem.

-raccoons, pump problems, plant problems, algae problems.

This season, it's algae, big time. Stringy algae like underwater green spider webs, and bubbly algae that looks like floating fish eggs. I've been using some water treatment for algae control, but it does not seem to have had much effect.

I cleaned the pump last week, scooped out as much algae as I could, added a lot of fresh water. The algae really liked that, it multiplied really fast!

Suggestions to control the algae?

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sleeplessinftwayne(z4-5 IND)

Scoop with a toilet bowl brush. Don't use the chemicals . Your water garden in a pot has to cycle just like a large pond. Sandy

    Bookmark   October 13, 2009 at 2:15AM
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PKponder TX(7b)

I stumbled on a fix for string algae this year that worked well. I was using horticultural corn meal for fungus issues in my lawn and on the bag, among the other uses, string algae in ornamental ponds was listed. I tossed half a handful into my 110 gallon container that was a string algae nightmare and within a month or so, it was gone. Certainly not an overnight fix and the real test will be the cooler temps of the winter, but it did seem to work.


    Bookmark   October 13, 2009 at 7:35AM
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sleeplessinftwayne(z4-5 IND)

But in a month, it could have gone away by itself.

    Bookmark   October 13, 2009 at 2:59PM
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PKponder TX(7b)

Thanks for your feedback, maybe it would have gone away by itself. It is still working and I believe it helped. I have used the pull and toss method for years and haven't had to do that for months.

    Bookmark   October 14, 2009 at 4:52AM
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catkim(San Diego 10/24)

I'm willing to try both suggestions. I'll let you know how it goes.

    Bookmark   October 14, 2009 at 11:48PM
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buyorsell888(Zone 8 Portland OR)

Cleaning and adding fresh water just feeds more algae as you learned. It is hard to resist doing it but it is for the best.

    Bookmark   October 18, 2009 at 3:12PM
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One thing that has worked for me is hydrogen peroxide. It's effective on string algae but not the free floating type.

    Bookmark   October 19, 2009 at 9:26AM
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