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Green Planet

Green Planet Massive Bloom Bulking Additive

Green Planet Massive Bloom Bulking Additive

Regular price £16.90 GBP
Regular price Sale price £16.90 GBP
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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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Description

The bulking additive Green Planet built its name on

Green Planet Massive is a mid-flower bulking additive combining phosphorus and potassium with amino acids, vitamins and seaweed extract. It is dosed through the weeks when flowers are sizing rather than at the finish, and it is the product most growers reach for first in the Green Planet range.

Key Benefits

  • Built for the sizing weeks - phosphorus and potassium arriving while flowers are still building mass
  • More than a PK - amino acids and vitamins support the transport of sugars, not just the mineral supply
  • Seaweed extract included - natural hormones that keep the plant working under a heavy load
  • Works with any base feed - not restricted to the GP3 programme
  • Firms loose flowers - the standard answer to bulk without density

Flowers with volume but no weight

Flowers that look large and weigh nothing have usually run short of phosphorus and potassium during the sizing weeks, or received a PK so late there was nothing left to build with. Airy buds and low yields are decided in the middle of flower, not at the end.

How to Use

  • Hydroponics, from week 2 of bloom: 5 ml per litre added to any base programme
  • Soil: 10 ml per litre once a week as flowers form, roughly 10 litres per plant - GreenPlanet's soil rate is deliberately double the hydroponic one
  • Taper: stop about a fortnight before harvest and move to a ripening feed
  • EC: reduce the base feed slightly as Massive goes up so total EC stays on target
  • Media: soil, coco and hydroponics

Technical Specifications

  • Role: Mid-flower bulking additive
  • Key inputs: Phosphorus, potassium, amino acids, vitamins, seaweed
  • Typical dose: 5 ml per litre hydroponic, 10 ml per litre soil
  • Window: From week 2 of bloom until two weeks before harvest
  • Media: Soil, coco, hydroponics
Feed Chart
GreenPlanet Massive · hydroponics and soil — the rate differs between them
Medium and stage Per 1 L Per 10 L
Hydroponic — from week 2 of bloom, with any base programme 5 ml 50 ml
Soil — once a week as flowers form, about 10 L per plant, until two weeks before harvest 10 ml 100 ml
NoteThe soil rate is double the hydroponic rate — that is a real, published difference, not a typo. Discontinue one week prior to harvest. Massive and PK Spike are alternatives, not additions to each other. GreenPlanet: “Maintain the nutrient solution pH between 5.8 – 6.3 at all times. Keep the nutrient solution temperature between 18 – 22°C.” Ensure a minimum 10% runoff in run-to-waste systems. GreenPlanet's EC targets are calculated on RO water — tap water raises the stated EC, so reduce the dose to match. Check pH and EC after mixing.

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.