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green duck-pond


hoverfrog

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is there anything I can do to stop the duck-pond going green?

I can't put aquatic plants in as they'd eat them.

I'm going to have to change the water and clean it out at least once a year, but certainly don't intend doing it more than that!

The pond in question is a new one, a sortof oval5' x 6' and slopes to at least 3' deep near the middle.

I could just leave it to clear itself but at the moment it's getting really thick with it :(
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rats - where on earth does one find barley straw???

How long should it take to settle down? It's now like pea soup :(

I know you're supposed to let the green stuff grow and then it will eventually die through lack of nutrients... but I've never seen a pond go quite this green before! all I can say is I'm glad we drink bottled water and no wonder the tap water tastes funny.

Actually I don't suppose the ducks are helping in that respect - just as well they'll be in the freezer soon :)
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So what is the actual green?  Is the water green due to algae or is it full of hair-weed?  If the latter then you can pull it out by the handfull.  It's yucky when its wet but dries immediately and you can put it in the compost.  If hair weed, it is a sign of a lot of nitrates in the water.

I didn't know it had to be barley straw either.

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