Plant Vitality RZM Root Zone Mass
Plant Vitality RZM Root Zone Mass
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Order by 3pm Mon–Fri — we aim to post same day · FREE Express Delivery over £60 · 1–2 working days · Free Wembley pickup
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A root growth stimulator built on three years of development
Plant Vitality RZM (Root Zone Mass) is a powerful root growth stimulator combining NPK, humic acid, fulvic acid, plant vitamins, lecithin and protein molecules to stimulate multi-directional root development.
The formula is designed to promote the root structure a plant needs to transport nutrients as efficiently as possible, and is suitable for use in all substrates as well as hydroponic and aeroponic systems. It is the result of three years of research into the relationship between root development and overall plant potential.
Used from early growth onward, RZM aims to give plants an extra layer of protection against disease and fungal pressure at the root zone while increasing the plant's capacity to take up nutrients and water.
- Stimulates multi-directional root development
- Combines NPK with humic acid, fulvic acid, vitamins and protein molecules
- Suitable for all substrates, including hydroponic and aeroponic systems
- Increases nutrient uptake rate and metabolic potential
- Gives extra protection against root-zone disease and fungal pressure
- Backed by extended research and development

FREE Express Delivery on orders over £60. We aim to post same day for next-working-day arrival — order by 3pm Mon–Fri. Delivery is 1–2 working days. A few harder-to-stock or large, bulky items can take a little longer — we'll tell you if that applies to your order. Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.