Green water in a pond is one stubborn critter sometimes.
It’s not really unusual to have this type of pond algae crop up and bloom once the days get a little warmer and sun shines a bit brighter in the spring or summer. And unfortunately for the small pond owner who’s plagued by it, their first reaction is often to drain all the water out of the pond, clean things up and then start over. But that’s not usually a good idea because the green water usually comes back very quickly.
Green water is caused by many individual single cell algae of various species. They tend be very quick to bloom and multiply and they respond very favorably to sun exposure. The rays of light really ramp them up.
So I guess the next question is, are there better options than draining the pond and starting over? You bet there is, and we’ll cover a few good ways to deal with this type of algae right here.