"Sadge" wrote


Hi, can anybody suggest a cheaper alternative to the rather expensive
ones on the market please?


Some time ago I was given a "Garden Yoghurt" kit and I use that, both in our
pond filters and in the rain barrels to keep them sweet and to ball up any
detritus. Takes a couple of weeks to make a supply
http://www.recycleworks.co.uk/em-gar...-pr-16177.html

--
Regards
Bob Hobden
W.of London. UK