We haven't gotten as hot as the rest of you. Maybe low to mid-90s. We usually have a lot of wind here in the mountains, so I've never seriously thought about an aeration system.

However, my 1/3 acre put-and-take pond has begun having issues in about the last week with floating algae. It is like a thick oil slick with lots of bubbles trapped in it. I'm not sure what it is. I'm thinking it is a blue-green algae. I've also got some filamentous algae floating up.

I've done a couple of things. One was to add some dye -- not a lot, but some. That seems to have helped a little bit. I also made an algae trap with silt fence at the bottom of the rip-rap spillway that feeds this pond, via a settling pond. I've been running my 2-inch semi-trash pump for about an hour each day. The intake is very near the water surface, and the output is hitting the rip-rap above the silt fence. I've collected a fair amount of "crap" in the silt fence, which I've been emptying in the woods below my ponds.

I don't know if it is really doing any good, but it makes me feel better.

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