Here they show N1 but i have it with N4 and that why a hate that product and i don’t use only this in all the adv lineup
Feed your crops the extra calcium, magnesium, and iron they need using Advanced Base Nutrient.
Sensi Cal-Mag Xtra – the nutrient supplement formulated with the ratios of Ca, Mg, and Fe your plants need.
Here they show N1 but i have it with N4 and that why a hate that product and i don’t use only this in all the adv lineup