Bird baths

[tooj]

we have a great bird bath in our garden but no matter how much we scrub it clean it goes green within days. Does anyone ha ve any ideas for keeping it clear for a decentv length of time please?

[rowanwitch]

use rainwater rarher than tap water seems to go a bit longer ...not much though and scald it well when you clean it

[sir.prize]

http://www.theanswerb...n/Question554397.html

[Wak]

I have a small fountain cum birdbath which used to get in a terrible state very quickly with algae and bird poo. I also found that coins didn't work.
After a bit of thought I tried adding one level teaspoon of Bi-carbonate of soda to about 6 or 8 litres of water. It kept the water clear for weeks and I doubt it will hurt the birds as I use the same amount of B-o-S to a cupful of warm water for indigestion purposes.