I’m not sure as too how much water to use to make up mixture. Plants girls seem to growing very slow……missie
We need to know what nutrient line you are using
1st welcome to the community ! I recommend use a TDS meter when mixing nutes would be much easier. You can mix up to different PPM values depending stage of the plant.
Good luck 
I purchased the food from ILGM NO INST ON BAGS
Where do i get TDS meter from
Fill out a support ticket that @beachglass posted it will help us help you
Where do i go to fill out a support ticket
Where @beachglass posted it, click on it copy and post it.
Amazon or eBay .