On 22 Aug, 07:13, John Lloyd wrote:
This year our small garden pond is totally blanketed with duck weed.
Is there a remedy likely to be harmless to the inhabitants? *Netting it
out seems to stimulate further growth!

If your pond overflows at one point, pumping water into it from other
end can work well as the duck weed washes out with the overflow. If
you use tap water, be careful the extra chlorene doesn't kill off any
fish you have.

Matt