RE: [RML] Ponds

Matthew Stanton (matthews at
Thu, 13 Apr 2000 16:01:50 +1000

Can you give us some more info about the pond. Is it deep? How is it lined?
Is there any water flow or filtration? Is there vegetation that drops leaves
(nutrients) into the pond? Do you have pond snails? Have you been feeding
the fish?

Waterflow and filtration can help reduce algae growth and it helps to
localise what growth does occur to make it easier to remove.
Deeper ponds have more "sink" capacity and are more stable than shallower

The algae probably formed the spawning medium for your Blue-eyes and would
act as excellent cover for the fry. The spawning season should now have
finished so if you can find a simple way to remove the algae you should have
an excellent means of removing excess nutrients from the pond.

> -----Original Message-----
> From: Darrell Edwards [SMTP:vk2mna at]
> Sent: Thursday, April 13, 2000 12:42 PM
> To: RML Mail List
> Subject: [RML] Ponds
> I would be pleased if someone could give some advice on pond maintenance.
> I
> have a small pond about 2M X 1M. I initially stocked it with 2 pairs of
> P.signifer about 2 months ago . There are now approx. 2 dozen fry of
> various
> ages (probably more). I have water lilies and a native (I think) type of
> ribbon weed growing in it. Up until now, probably because of the heavy
> rains
> over the last months, it has remained reasonably clear but now the algae
> is
> getting very thick and starting to choke the pond. I have flushed it a
> couple of times with a couple garbage tins of water (treated of course)
> but
> it doesn't help much. It was built in January. Is it best to leave it
> alone and it will reach it's own equilibrium or are there certain steps I
> should take? Perhaps the thick algae is beneficial? It doesn't get full
> sun
> all day but maybe 50%. My location is Maitland NSW.
> Any advice appreciated. Thankyou.
> Cheers, Darrell
> vk2mna at
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