RAW Bloom Microbes
RAW Bloom Microbes
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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 bloom-stage microbial inoculant that keeps roots fed and protected through flowering
RAW Bloom Microbes is a dedicated blend of beneficial bacteria and fungi from NPK Industries, formulated specifically for the flower/bloom stage rather than as a general-purpose inoculant. Where a base bloom feed supplies the minerals, this product supplies the biology that helps the root zone actually use them — rhizosphere-inhabiting bacteria and mycorrhizal fungi that colonise the root surface, break down organic matter and build a healthier, more resilient living root system through the demanding stretch from flip to harvest.
It's designed to work alongside a mineral bloom base such as RAW Bloom, not to replace it — think of it as the biological half of a flowering programme rather than a stand-alone feed. NPK Industries double-test every batch, checking both the individual bacterial and fungal cultures and the final blend, aiming for high CFU counts and consistent viability from packet to packet, which matters with any living microbial product where potency can drift in storage.
Because it's a dry soluble powder it suits both soil/coco growers who want to apply it as a root drench or top-dress, and hydro/reservoir growers who want to dose it straight into solution. Either way it's a maintenance product used repeatedly through flowering rather than a one-off application.
- Bloom-stage specific blend of beneficial bacteria and mycorrhizal fungi.
- Double-tested for culture viability and CFU count, batch by batch.
- Builds root-zone biology to improve nutrient availability during flowering.
- Two application methods — direct to growing media or dosed into solution.
- Complements a mineral bloom base rather than replacing it.
- Stage: Flower/bloom stage, established plants
- Dose (media): 1/2–1 tsp around the base of the plant, watered in, every 1–2 weeks
- Dose (solution): 1/2–1 tsp per US gallon (3.8L), every 1–2 weeks
- Contains: Rhizosphere bacteria and mycorrhizal fungi
- Storage: Cool, dry, out of direct sunlight; reseal after use
| Stage | Per 1 L | Per 10 L |
|---|---|---|
| In solution through flowering, every 1 to 2 weeks | 0.65–1.3 ml | 6.5–13 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.