I can't answer your question reguarding the bloom but if you add microbes to get rid of the muck it would be helpful if you could post what you are doing & what results you get here:
http://www.pondboss.com/ubb/ultimatebb.php?ubb=get_topic;f=14;t=000153


Pond Boss Subscriber & Books Owner


If you can read this ... thank a teacher. Since it's in english ... thank our military!
Ric