Advanced Hydroponics of Holland Growth/Bloom Excellarator
Advanced Hydroponics of Holland Growth/Bloom Excellarator
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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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One booster that runs through both vegetative growth and flowering
Excellarator is a dual-stage booster rather than a veg-only or bloom-only additive - it's added to the feed continuously through both vegetative growth and the flowering period, only coming out in the final two weeks before harvest. That makes it one of the few additives in most growers' cupboards that doesn't need switching out when the light cycle changes, which simplifies the feed schedule across the whole grow.
Beyond supporting growth and flower development directly, it's also positioned to help plants cope better with pest and disease pressure - a secondary benefit that matters most in systems under environmental stress (heat, humidity swings, a recent pest issue) where the plant's own resources are already stretched thin. Run it in hydroponic, coco or soil systems as a standing addition to the base feed.
Because it spans both stages, Excellarator suits growers who want one fewer bottle to manage rather than running separate vegetative and flowering boosters - simplifying the schedule without leaving either stage uncovered.
- Dual-purpose booster for both vegetative growth and flowering
- Added continuously to the feed except in the final two weeks before harvest
- Positioned to help plants cope with pest and disease pressure
- Reduces the number of separate stage-specific boosters needed
- Suitable for hydroponic, coco and soil systems
- Used as a standing addition to the base feed throughout the cycle

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.