[dlockhart]

Originally Posted by Tim Hancock

Souk, our pond has been maintained with careful applications of AquaShade dye along with copper sulfate for at least 30 years and our fish are healthy. We also have several grass eating carp (White Emurs sp?). We have never had a weed/grass/cattail problem and only do the treatment when we see algae starting to develop.

I know that too much copper sulfate is supposedly bad, but our pond is doing fine with small doses of it every year. My wife simply dumps about a pound or two of it in an old pantyhose leg and drags it around the perimeter of the pond as it dissolves. She then dumps a couple gurgles of Aqua Shade at each of the four corners. A gallon of AquaShade lasts us a few years as does a bag of copper sulfate.

I think our pond is about 1/2 acre.

Yup copper sulfate too I had forgotten about that. We would use a 60lb bag a few times a year. We poured it into a 5 gallon pail then towed it up and down the lake at the end of the ski day. Running the boat at a slow speed, producing big wakes and mixing the lake well. It worked well. The lake for tax purposes was also a catfish farm and the catfish didn't seem to mind.