Jordy_klyff the NPK solution 20-10-20 is water-soluble powder to be used with every watering, it should be calculated in grams per liter, for now I'm using 0.4 to 0.5 grams per liter
Jordy_klyff I'm asking everyone for help, I don't know why but my email isn't being confirmed, so I can't interact with you friends. I've sent several emails but no response, can you help me? Thank you so much!