Rock Resinator – PGR-Free Bloom Booster
Rock Resinator – PGR-Free Bloom Booster
£52.45 per litre · 1L
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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
- 14-day returns
- Price match promise
- Free Wembley store pickup
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Description
Denser flowers and heavier resin - without growth regulators
Rock Resinator (Heavy Yields) is Rock Nutrients' flowering additive built to drive flower density, resin and essential-oil output and finishing weight through the back half of bloom. It is a PGR-free formula, so gains come from properly feeding the plant during the density-building stage rather than forcing growth chemically, and it runs across soil, coco and hydro alongside your base nutrients. Unlike boosters that stop before the end of flowering, Resinator is designed to be fed right through the final week on plain water to support oil production during final ripening.
Key Benefits
- Resin and terpene support for stickier, more aromatic flowers as the end of flowering nears.
- Flower density boosted through mid-to-late flowering, when plants pull hardest on P and K.
- PGR-free formula for natural yield gains, not regulated growth.
- Runs in soil, coco and hydro on top of your existing base feed.
- Fed through the final week on plain water to support essential-oil production right up to harvest.
Fixing airy, light flowers that never fill out?
Loose, fluffy flowers usually come down to the plant losing support once it switches from stretch to fill. Rock Resinator is added on top of your base nutrients once flower sites are established, giving that extra push during the density-building stage rather than earlier when the plant is still stretching - so flowering sites bulk and harden instead of staying airy.
How to Use
- Soil, coco and hydro: start at 1ml per litre from the start of week 2 of bloom, at every watering.
- Building the dose: increase progressively as flowering advances - around 1.5ml/L at week 4, 2ml/L at week 5, up to 2-3.5ml/L in late bloom for aggressive feeding.
- Through the final week on plain water: continue feeding into the final ripening period, easing back with your base nutrients as you switch to plain water.
- pH: adjust the reservoir to 5.8-6.2 (hydro/coco) or 6.2-6.5 (soil) after mixing.
- Tip: check compatibility with the rest of your schedule and shake well before use.
Technical Specifications
- Type: PGR-free flowering / bloom booster
- Standard dose: 1-2ml per litre, building through bloom
- Suitable media: soil, coco, hydroponics
- Start point: week 2 of flowering, fed through to the final week on plain water
- Brand: Rock Nutrients
| Stage | Per 1 L | Per 10 L |
|---|---|---|
| From the start of week 2 of bloom, every watering | 1 ml | 10 ml |
| Around week 4 of bloom | 1.5 ml | 15 ml |
| Around week 5 of bloom | 2 ml | 20 ml |
| Late bloom, aggressive feeding | 2–3.5 ml | 20–35 ml |

FREE Express Delivery on orders over £60. We aim to post same day on Express Delivery — order by 3pm Mon–Fri — and delivery takes 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.


