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Country Discussion Topics
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Pond algea
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kitkat    Posted 04-22-2004 at 07:12:27       [Reply]  [Send Email]
our pond is almost covered in green algea (floting) I have read that barley hay will discourage growth. Has anyone out there had luck with this or any other ideas on how to get rid of pond algea safe and naturally:) Thanks

EngineerJoyce    Posted 04-22-2004 at 11:54:42       [Reply]  [Send Email]
That rapid growth of algae is commonly called an "algael bloom" and is usually caused by excessive phosphorous in the water.

I think applying hay would only add additional nitrogen source and enhance the problem. Hay can be scattered on a "muddy" pond to clear it up. The floating clay particles are attracted to the vegetation and when the hay gets soaked, it sinks and takes the clay with it, thus clarifying the pond.

But algae? You can stock the pond with something that eats it (various types of fish as mentioned or waterfowl - ducks, geese, etc. as mentioned).
My neighbor applies "bluestone" to his pond which colors the water, thus reducing the light penetration and inhibiting the algal growth.

The only true cure I have heard of is to literally dip it out. This is the method used by a local "pay lake" because they don't want to use any additives. Then you could use the blue stone to slow its return.

It may also be helpful to evaluate your activities around the pond to see if there is anything you do that adds extra nutrients to the water, and if there is anything you can do to remove nutrients before it reaches the pond (a long grass strip, or even a wetland in the upstream tip where the water enters).

I hope you get this under control and can enjoy your pond this summer. Best of luck.

deadcarp    Posted 04-22-2004 at 11:23:30       [Reply]  [No Email]
Similar problem once swimming pools start warming up. A LOT of catfish, carp & bottom feeders will graze it off. That's what lakes/rivers use. Chlorine will help but the black algae is worse - that stuff needs a grinder once it's established.

bulldinkie    Posted 04-22-2004 at 10:19:16       [Reply]  [Send Email]
we dont get that anymore we have an areator on our pond.what size is your pond.If its a small one I have a cure for it works wonders.swans help too.In fact my swans eggs are due to hatch today.5 that I know of.

Brian Sweet    Posted 05-10-2006 at 15:51:02       [Reply]  [Send Email]
i have two rather large ponds and i cant seem to figure out what is the best solution to killing off this floating type of algae. the ponds range from 15-20 feet deep they are in direct sunlight all day long, and i figured if i pulled as much of the floating algae off the water that it might die but i am haveing no luck at all, please help!!!

Burrhead    Posted 04-22-2004 at 12:18:24       [Reply]  [No Email]
We used bluestone to clear up some 1 acre catfish ponds here then after they were clear I use a 3.5hp trash pump with 2" lines about 2-3 days a month to keep them clear.

All I do is prop the discharge line up so that the water falls about 4'-5' back into the ponds and it aerates them just right. One tankfull of gas a day is long enough. It runs about 4 hours on it.

hay    Posted 04-22-2004 at 07:25:37       [Reply]  [No Email]
do a search on google. there is a company that has lots of pond products. i can't remember the name right off.

rhouston    Posted 04-22-2004 at 07:24:34       [Reply]  [No Email]
I don't think the barley would work on an open system. a closed water garden it works o.k.

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