Yes on copper sulfate as have several on this thread. Please read the earlier posts.
I did find my source, but my recollection of forum guidelines are this may constutate a from of advertising. I will leave advertising to the magazine editors / publishers. However, it's one of the largest supply houses for pond stuff and they are from Florida.
FH, I've heard of folks using the septic tank products. The brand I've been using has 12 different strains specifically for ponds. So, the answer is no, not all aerobic bacteria is the same. There are probably hundreds if not thousands of strains of beneficial bacteria, each with it's specific charecteristics. These products are expensive and if you have a large pond, price may be prohibitive in any form.
