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Post by shemlock on May 6, 2007 9:26:24 GMT
Last year I finally got my much longed for water feature, a fountain, which is a three tier affair, with the water cascading down. However, after a period of time, green algae started to form on and in it. In some ways this looks good, because it gave it character, but then I was concerned as to whether it would block the pump. I returned to the place where I had bought it from and bought some chemical stuff which was supposed to prevent it. I duly scrubbed the fountain, to remove the algae and put in clean water and the chemical. Low and behold it still appeared. After draining it for the winter, I decided to leave some of the green stuff on the fountain, because I liked the way it looked, more character. Does anyone know as to how to stop the fast build up of algae, as the chemical stuff that I bought didn't appear to be of much use? Also will it do any long term damage to the pump? Help and ideas much appreciated.
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Post by BjornTobyStomped on May 6, 2007 18:36:55 GMT
A pond filter might help
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Post by Whitbywoof on May 6, 2007 21:33:24 GMT
A UV filter will prevent suspension (green water) algae, but may promote the growth of filamentous algae (blanket weed).
But at least blanket weed can be removed (albeit labouriously) by hand.
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Post by Murphy Slaw on May 7, 2007 3:49:42 GMT
Pond chemicals normaly make the algae clump together and therefore easy for a filter to capture. If you have no filter they are going to be ineffective.
I assume this is just a water feature. A fountain with no plants, fish or wildlife in it.
If this is the case then a simple chlorine additive every few days should help keep it clear. EG a capful of bleach.
If birds are using it as a bath and drinking hole then leave it and change the water regularily.
Your pump won't suffer any damage. They're a simple yet robust piece of kit.
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Post by shemlock on May 7, 2007 8:55:36 GMT
Thank you for all your suggestions and help but I think I am going to have to take Murphy's advice and change the water regularly. I have a bird bath but the birds like to also use the fountain, as does my little dog for a drinking hole. Just to add that the chemical stuff I used was ok with animals, before you think I was trying to kill my pooch and the birds.
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Post by paul Zernikazof on May 7, 2007 9:45:34 GMT
I have algae problems on my patio slabs and water feature.I have been told that Armillotox is the stuff to use to kill it off.
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Post by shemlock on May 7, 2007 18:59:39 GMT
Thanks Paul, have you tried it?
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Post by scoo on May 7, 2007 19:38:22 GMT
I agree with Murphy. The birds use it for bathing, and the rubbish they leave clogs up the filter
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