It depends. How is that for an answer ? \:D

2 parts - chemicals are chemicals - NPK means NPK.

There are different types of fertilizer that can be used for ponds but the difference is not in the chemical part but in application. Three kinds of pond fertilizers - granular , liquid and water soluble. Try this link page 17 for a good explanation.

http://msucares.com/pubs/publications/p1428.pdf

Last edited by ewest; 03/17/10 08:57 PM.