John wrote Should I worry 'bout the algae on the rocks or let it be?

Let it be. It is substrate algae. It takes up nutrients, provides food for the
fish and helps balance the pond.
The algae that colors the pond pea soup green is suspended single cells.
It is evil ;-)


k30a
and the watergardening labradors
http://www.geocities.com/watergarden...dors/home.html