Plants And Waterchange

[stu40]

So in what product are those other eliments Nitro, Fosfo and Kalium

Easylife Profito just contains trace elements Iron, zinc etc. Fine if you are not using Co2
If you are using Co2, you need to add Nitrogen (Nitro), Phosphate(Fosfo) & Potassium (Kalium).
These 3 products are in the Easylife range.(same as your Profito)
Or you could use an all in one fertilizer such as Tropica plant growth specalised.one bottle of this covers all 4 of the Easylife products.