Can anyone help with this? Have a pond in northeast Wisc. . Last year and now this year there is a green layer of something just barley under the surface of the water. Any waved seem to go right over top of the green stuff, if It rains it will completly disapear and come back in a day or two. I don't know if it could be pollen or something else. It's not a mat like some algae is. it alomost seems like powedery but its just under the surface like barely under the surface. Any ideas what it is or how to get rid of it?
This comes up most every summer with forum member's ponds, including my pond. It is often very difficult to diagnose over the web, but the following guide should help you narrow it down to a couple options...
I live in deep east Texas where there is nothing but pine forest. EVERYTHING gets covered in greenish yellow pine pollen at times. Look around on other items NOT in your water and see if you see concentrations of the yellow stuff. Car windshield,items sitting out by your pond, etc. etc. That should help determine if it is pine pollen. Just a thought to help you narrow it down.
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