Greenway Biotech Zinc Sulfate Monohydrate Powder

Zinc deficiency often presents as stunted growth, yellowing between leaf veins, or smaller-than-normal leaves. If you suspect a deficiency, a soil or tissue test is the most reliable way to confirm before applying this supplement.

Yes, because this powder is 100% water-soluble, it is suitable for hydroponic applications. Ensure you mix it thoroughly into your nutrient solution to prevent localized high concentrations.

While it is effective for lawns, vegetables, trees, and shrubs, zinc can be toxic to plants if over-applied. Always follow the recommended application rates to avoid potential leaf burn or soil toxicity.

Zinc sulfate acts as a contact killer for moss and certain weeds by disrupting their cellular processes. When used for these purposes, it is typically applied as a targeted spray directly onto the unwanted growth.

Foliar sprays provide a rapid, direct nutrient boost to the leaves, which is ideal for correcting acute deficiencies quickly. A soil drench is better for long-term root uptake and addressing underlying soil nutrient imbalances.

No, this formula is rigorously tested and certified to be free from heavy metals. It meets strict quality standards, making it safe for use in both home gardens and commercial agricultural settings.