Pond Boss Forums MANAGING AN EXISTING POND Fertilization Fertilizing turf - granular vs liquid

All 3 , N, P and K are needed for plant growth - see 13-13-13 which is a common grass fertilizer. The amounts vary. In water the missing link is usually P. That is why most pond fertilizers are low N and K and high in P for example 0-46-0 is a common pond fertilizer. The question is what is the limiting factor and it is usually low P.