Soil Nutrient Booster · N.P.K. 0-0-4
If your substrate lacks of sufficient micro-elements, the plant will find it difficult to fully absorb the nutrients administered.
The best and easiest solution to this common problem is to add regularly (once a week) BIO ELEMENT BOOST, a mix of essential bio-stimulants.
By using a unique process, PRO-XL separates the active organic substances from the bio acids following fermentation.
Premium quality organics • Optimum formula • Concentrated.