Mills C4 Flower Enhancer
Mills C4 Flower Enhancer
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Order by 3pm Mon–Thu for next-working-day delivery · FREE delivery over £50 · Free Wembley pickup
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Description
An earlier, denser flower set from root to tip
Mills C4 is an intricate flower enhancer blending bio-stimulants, macro and micro nutrients, carbohydrates and trace minerals to build a heavier crop while lifting taste and aroma. It works above ground on the plant's superstructure and below ground in the medium, where beneficial micro-organisms break down old root matter into usable carbohydrates. Timed for the early flowering window, C4 pushes essential oil and sugar production for a bigger, denser fruit and flower set.
Key Benefits
- Quicker, more abundant flower set - humates and fulvic acid activate and boost flower production.
- Stimulates oil and sugar production - forces the plant to produce more essential oils for stronger taste and aroma.
- Enhances vitality - keeps growth strong through the flowering push.
- Recycles carbohydrates - converts useful carbs directly to developing flowers.
- Breaks down old root matter - root-zone micro-organisms turn spent roots into usable carbohydrates.
Getting an earlier, denser set instead of a slow one
A slow or sparse flower set early in bloom usually means less bulk by harvest, however well the plant is fed later. C4 acts on that window, driving flower production earlier and denser while putting recycled root-zone carbohydrates back to work.
How to Use
- All substrates and systems: 0.5-1.5ml per litre.
- When to use: weeks 2-4 of the flowering cycle.
- Important: do not use alongside another flowering PK booster.
Technical Specifications
- Type: flower enhancer / bio-stimulant blend
- Dosage: 0.5-1.5ml per litre
- Usage window: weeks 2-4 of flowering
- Contains: bio-stimulants, macro and micro nutrients, carbohydrates, humates and fulvic acid
- Brand: Mills

Free next-day delivery on orders over £50 (order by 3pm Mon–Thu). 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.

