stinky algae?

[Lydia]

Hello. I have a smallish pond, about 500 gallons. I don't mind a
little string algae or if the water is green, but this year it's got
this kind of a mat of bubbly, stinky, green stuff floating on the
top. Is this algae? Half of the top is covered by water hyacinths
and the other half by this stinky stuff. I have no filter, 3 little $.
12 feeder goldfish, snails and tadpoles, and I did clean debris out in
the spring, although I'm sure there's more by now. The few treatments
I've seen say they're not suitable for invertabrates and I don't want
to kill the little creatures in there. Besides being stinky and ugly
it's also choking out my 1 lily and water hawthorne which used to do
so good. If I just scoop it out until the hyacinths spread a little
more will they eventually overtake it nutrients-wise?

Thanks for advice,
Lydia

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all you need is one of those cheap air pumps from Kmart, with two
outlets, two air stones. Ingrid

On Sun, 08 Jul 2007 21:35:53 -0700, Lydia >
wrote:

>Hello. I have a smallish pond, about 500 gallons. I don't mind a
>little string algae or if the water is green, but this year it's got
>this kind of a mat of bubbly, stinky, green stuff floating on the
>top. Is this algae? Half of the top is covered by water hyacinths
>and the other half by this stinky stuff. I have no filter, 3 little $.
>12 feeder goldfish, snails and tadpoles, and I did clean debris out in
>the spring, although I'm sure there's more by now. The few treatments
>I've seen say they're not suitable for invertabrates and I don't want
>to kill the little creatures in there. Besides being stinky and ugly
>it's also choking out my 1 lily and water hawthorne which used to do
>so good. If I just scoop it out until the hyacinths spread a little
>more will they eventually overtake it nutrients-wise?
>
>Thanks for advice,
>Lydia