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Red bird bath

My birdbath develops a red stain inside.on the base. When I scrub it the water turns ruby red. Is it an algae and is it harmful to birds or anything else for that matter. I hope someone recognises this and can tell me. My thanks in advance for any information you may be able to give me.

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  • bekkie hughesbekkie hughes Posts: 5,294
    I dont know exactly but i think it is algae, im sure one of the experts on here will be along soon, its probably harmless, but i would still try and get rid to be on the safe side image
  • DovefromaboveDovefromabove Posts: 88,131

    Mine does that sometimes - I scrub it out with a mild solution of Milton - don't know if that's right - the RSPB sell special bird disinfectants don't they - the Milton seems to work. 


    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • bekkie hughesbekkie hughes Posts: 5,294
    Mine have to make do with the pond! image
  • DovefromaboveDovefromabove Posts: 88,131

    I had the birdbath before I had the pond - the birds use both - I think the pigeons are scared of the deeper water in the pond - you can see from the look on their faces they're thinking, "There be sharks!" image


    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • DovefromaboveDovefromabove Posts: 88,131

    Hmm, so Carol V is responsible for the industrial-scale fishing of krill which is causing the decline of whales and other species which rely on it - afraid I've always found her intensely annoying and she's not going the right way to change my opinion .... 


    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • DovefromaboveDovefromabove Posts: 88,131

    There with you Edd image


    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • LynLyn Posts: 23,190

    Thats very interesting Edd, down here around the Dartmoor area, all the houses are stained with this red and I was told by a buil

    der that it comes from the granite that makes the sand and hardcore.

    All the houses are rendered no brick and it just runs down in great streaks until it eventually covers the houses

     

    So yes, The area would have been volcanic. That accounts for it.

     I just scrub it off the bird baths. No shorta

    ge of birds here.

    Gardening on the wild, windy west side of Dartmoor. 

  • LynLyn Posts: 23,190

    Sorry about the disjointed post, its nigh on impossible to post on this android!

    Gardening on the wild, windy west side of Dartmoor. 

  • LynLyn Posts: 23,190

    Thats very interesting Edd, down here around the Dartmoor area, all the houses are stained with this red and I was told by a buil

    der that it comes from the granite that makes the sand and hardcore.

    All the houses are rendered no brick and it just runs down in great streaks until it eventually covers the houses

     

    So yes, The area would have been volcanic. That accounts for it.

     I just scrub it off the bird baths. No shorta

    ge of birds here.

    Gardening on the wild, windy west side of Dartmoor. 

  • Thank you so much everyone, especially Edd. No it isn't cast iron, just moulded concrete I am afraid. I also have a small pond, more a deep puddle really, and when the birdbath goes red they tend to use that. It is most interesting that it's the same sort of thing as the marine variety that is used as a health supplement, and I am glad it poses no harm to the birds. As they seem to prefer the water in its's natural colour I shall continue to give the bath a scrub. And again, thank you all for your response to my  query.

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