BioGreen X-ForceSuper Concentrated Silicon X Force is a powerful silicon based booster that comes with a host of benefits, thickening up stems and strengthening branches, while preventing water loss, improving photosynthesis and increasing the absorption of CO2. It also increases plants' resistance to disease and drought, while improving nutrient uptake! We wouldn't grow without silicon! How X Force Works Silicon works by strengthening up cell walls. By toughening