Many ponds are naturally infertile due to low/no available P. If the P introduced is non-water soluble it will not be available for use by plankton as water is the plankton's food conduit. Further if what is added to the pond has the additional effect of tying up (locking away) the P that is there a less fertile pond will result. Denying plankton the ability to adsorb the nutrients it needs undermines the base of the food chain and thus fish production. Based on the 9-0-0 NPK # provided above , corn gluten meal has no/very limited P (only N which is rarely missing from ponds) and therefore can not add the nutrient (P) which is missing to make most infertile ponds fertile.

In fertile ponds no fertilizer is needed whether it be water soluble or not.

If one has a fertile pond and wants to get rid of the FA it is imperative that they do so using a method that denies nutrients to only the FA and not to the plankton so as not to remove the base of the food chain. The other 2 options to deal with the FA are chemical application or physical removal by man , fish or other life. Aeration and microbes are related forms of the later two. This is what makes FA a difficult problem to overcome.

I am always looking for new and better pond methods but they have to be consistent with basic science and understandable. So far this one has not reached that point for me..