Hesi Hydro Bloom Flowering Nutrient for Hydroponics
Hesi Hydro Bloom Flowering Nutrient for Hydroponics
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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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The flowering half of the Hesi hydroponic programme
Hesi Hydro Bloom is the flowering base for hydroponics, clay pebbles and rockwool, in soft water and hard water versions. It carries the phosphorus and potassium weighting for flower alongside the vitamins and amino acids Hesi include as standard.
Key Benefits
- Matched to your water - two formulations rather than one compromise
- Complete base - vitamins and amino acids included
- Stable in a recirculating tank - fewer pH corrections across a week
- Clean in drippers - no organic load to foul irrigation
- Pairs with Hydro Grow - one programme, one water type
A hydroponic reservoir that drifts all week
In an inert medium there is no buffer at all, so a feed that is not stable in solution takes the reservoir with it. pH swings mean the plant spends part of every week unable to take up iron or calcium, which reads as a deficiency and gets fed rather than fixed.
How to Use
- Which version: soft water under roughly 100 ppm or on RO, hard water above
- Transition: 3 ml per litre
- Mid flower: 5 ml per litre
- Late flower: hold, then flush over the final week
- Target pH: 5.5 to 6.2
Technical Specifications
- Programme: Hesi hydroponic
- Role: Flowering base
- Formulations: Soft water and hard water
- Typical dose: 3 to 5 ml per litre
- Media: Hydroponics, clay pebbles, rockwool
- Target pH: 5.5 to 6.2
| Stage | Per 1 L | Per 10 L |
|---|---|---|
| Transition | 3 ml | 30 ml |
| Mid and late flower | 5 ml | 50 ml |

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.