Planted Tank Guru
Join Date: Jan 2010
Location: Contra Costa CA
The nutrients available from fish food is barely enough for low light tanks. Usually it does supply enough N and P, and usually most micros.
But when you have more light and less fish the plants need more nutrients. If you want to stick with wet or are willing to start with dry does not matter. I would start adding all the ferts that you are not already using at the rate suggested on the bottle, then adjust as needed.
Fast growing plants that are just sitting there will take off a lot faster once they have the fertilizers that are now limiting their growth. You might not notice much improvement in slow growing plants.