Have you tried a UV light? Some people swear by them. I borrowed one
last year from a friend to clear up mine, and within days it made such a
difference it was unbelieveable!
Some Pond stores rent them out. You may want to try that.

Superkitt wrote:
Okay.. my first pond and now the weather hasw warmed up and I a pea soup
pond.

Will a filter help with this and can I build one myself?

Its a 500 gal pond. 3ft at its deepest point with a 1000gph water feature.

Joel.