Hi brettsilva welcome to the forum!!

I have never used Merit 75 wp, but I have used spinosad.
You do not mix in your nutes!!!
It is a foliar spray.

The brand I use calls for 4 tbl per gallon.

Read your instructions mixing directions are required to be there.

Good Luck :hippy:
Dreadscale Reviewed by Dreadscale on . how much of the following do I use to kill the... knats and thribs? Hello!!, this is my VERY FIRST post here! So very cool! here is my question. I purchased Merit 75 wp AND Spinosad to kill knats and thrips that have infested my veg room. I am in week 4 in veg and cant transplant until i kill these fuckers. So heres my question, I know Im supposed to add these 2 products to my water and nuts but i have ABSOLULTELY NO IDEA how much to add!!!??? how much of these products do I add to one gallon of water? Rating: 5