Advanced Nutrients Big Bud Liquid Bloom Booster – 5L

Please sign in to see pricing

£87.95

A concentrated 0-1-3 liquid bloom booster designed to support strong, full flower development through the main mid-flowering phase.

Advanced Nutrients Big Bud is a specialist liquid flowering supplement developed for the main flower-building stage of the crop cycle. Its 0-1-3 nutrient profile provides phosphorus and potassium in a carefully balanced ratio, helping growers supplement their base nutrition as flowering demand increases.

Rather than relying on an excessively high phosphorus concentration, Big Bud uses a 3:1 potassium-to-phosphorus ratio. Advanced Nutrients developed this balance to provide the PK nutrition required for productive flower development while reducing the risk associated with unnecessarily heavy phosphorus inputs.

Big Bud sits between early-flowering and late-flowering supplements in the Advanced Nutrients programme. Once initial flower formation is established, it supports the crop through its main flower-building period before giving way to the late-flowering stage. The 5L format is particularly well suited to larger reservoirs, repeated flowering cycles and commercial growing environments.

Why choose Advanced Nutrients Big Bud?

  • Proven mid-bloom booster – developed specifically for the main flower-building phase of flowering.
  • Balanced 0-1-3 formula – supplies phosphorus and potassium without adding nitrogen.
  • 3:1 potassium-to-phosphorus ratio – formulated around the increased potassium requirement of flowering crops.
  • Bioavailable P & K – provides forms of phosphorus and potassium designed for effective crop uptake.
  • Supports flower development – formulated to create favourable nutritional conditions for strong, full floral structures.
  • Fits a staged flowering programme – follows early flower initiation products and precedes late-flowering supplements such as Overdrive.
  • Simple 2ml/L application rate – straightforward to calculate across small and commercial reservoirs.
  • Suitable for hydroponics & coco – compatible with diverse hydroponic media and coco coir.
  • Commercial 5L format – provides enough concentrate for approximately 2,500L of nutrient solution at 2ml/L.

What is Advanced Nutrients Big Bud suitable for?

Big Bud is designed for flowering and fruiting crops during the main period of active flower development. It is a bloom supplement rather than a complete base nutrient, so it should be used alongside an appropriate flowering feed.

In crop-stage terms, introduce Big Bud once the initial transition into flowering and early flower-setting stage is established. Continue through active mid flowering, then discontinue it as the crop progresses into its late-flowering and finishing phase.

Advanced Nutrients identifies Big Bud as suitable for indoor and outdoor cultivation, regular watering, irrigation systems, hydroponics and coco coir. It is also designed for continuous liquid-feed systems including aeroponics, drip irrigation and emitters, nutrient film technique (NFT), flood and drain and deep water culture (DWC).

How to use Advanced Nutrients Big Bud

Add Big Bud at 2ml per litre of nutrient solution during the active mid-flowering phase. Use it alongside the crop's normal flowering base nutrient rather than as a standalone feed.

For 10L of nutrient solution, use 20ml. For 50L, use 100ml. For 100L, use 200ml. For a 500L reservoir, use 1L. For a 1,000L reservoir, use 2L.

A full 5L container provides enough Big Bud for approximately 2,500 litres of nutrient solution at the 2ml/L application rate.

As the crop moves beyond its main flower-building stage and into late flowering, discontinue Big Bud and move to the appropriate late-flowering part of the feeding programme.

Advanced Nutrients Big Bud 5L product details

Product Advanced Nutrients Big Bud
Product type Liquid bloom booster & flowering supplement
Product size 5L
Format Liquid concentrate
NPK 0-1-3
PK balance 3:1 potassium-to-phosphorus ratio
Application rate 2ml/L
Application stage Active mid flowering
10L solution 20ml
50L solution 100ml
100L solution 200ml
500L solution 1L
1,000L solution 2L
Approximate solution from 5L 2,500L at 2ml/L
Hydroponics Suitable
Coco coir Suitable
Growing environment Indoor & outdoor
Suitable liquid-feed systems Aeroponics, drip irrigation, NFT, flood & drain & DWC
Nutrient compatibility Advanced Nutrients pH Perfect, non-pH Perfect & compatible third-party nutrient programmes

Advanced Nutrients Big Bud FAQs

What is Advanced Nutrients Big Bud?

Big Bud is a 0-1-3 liquid bloom booster designed for the main flower-building stage of flowering. It supplies phosphorus and potassium alongside a complete base nutrient programme.

What does Advanced Nutrients Big Bud do?

Big Bud provides targeted phosphorus and potassium during active flower development. Its purpose is to create favourable nutritional conditions for strong, full floral structures during the main mid-flowering phase.

What is the NPK of Advanced Nutrients Big Bud?

The standard liquid version of Advanced Nutrients Big Bud has an NPK analysis of 0-1-3.

What is the PK ratio of Big Bud?

Big Bud uses a 3:1 potassium-to-phosphorus ratio. Advanced Nutrients formulated this balance around the nutritional requirements of actively flowering crops.

When should I use Advanced Nutrients Big Bud?

Use Big Bud during active mid flowering, after initial flower formation is established and before the crop moves into late flowering and finishing.

How much Big Bud should I use per litre?

Use Advanced Nutrients Big Bud at 2ml per litre of nutrient solution during its mid-flowering application period.

How much Big Bud do I need for 10 litres?

Use 20ml of Big Bud for 10 litres of nutrient solution at the recommended 2ml/L rate.

How much Big Bud do I need for 50 litres?

Use 100ml of Big Bud for 50 litres of nutrient solution.

How much Big Bud do I need for 100 litres?

Use 200ml of Big Bud for a 100L nutrient reservoir.

How much Big Bud do I need for a 500L reservoir?

Use 1 litre of Big Bud for a 500L reservoir at the recommended 2ml/L rate.

How much nutrient solution will 5L of Big Bud make?

At 2ml/L, a 5L container provides enough Big Bud for approximately 2,500 litres of nutrient solution.

Is Big Bud a complete nutrient?

No. Big Bud is a flowering supplement and bloom booster. It should be used alongside an appropriate base nutrient rather than as the crop's sole source of nutrition.

What is the difference between Big Bud and Big Bud Coco?

Standard Big Bud and Big Bud Coco are separate formulations. Standard liquid Big Bud is a 0-1-3 mid-bloom booster for general growing systems, while Big Bud Coco is formulated specifically around the nutritional characteristics of coco coir and has a different nutrient profile.

What is the difference between Big Bud Liquid and Big Bud Powder?

They are different formulations and should not be treated as interchangeable concentrates. Big Bud Liquid is measured in millilitres, while Big Bud Powder is a water-soluble product measured by weight. Follow the application rate for the specific version being used.

Can Big Bud be used in hydroponics?

Yes. Big Bud is suitable for hydroponic cultivation and continuous liquid-feed systems including aeroponics, drip irrigation, NFT, flood and drain and deep water culture.

Can standard Big Bud be used in coco?

Yes. Advanced Nutrients identifies standard Big Bud as coco coir safe. However, Big Bud Coco is also available as a separate formulation specifically developed around the nutritional characteristics of coco coir.

Can Big Bud be used with pH Perfect nutrients?

Yes. Big Bud is compatible with Advanced Nutrients pH Perfect base nutrients as well as non-pH Perfect base nutrients and compatible third-party nutrient programmes.

When should I switch from Big Bud to Overdrive?

Big Bud is designed for the main mid-flowering development period. As the crop progresses into late flowering, discontinue Big Bud and move to the late-flowering stage of the programme, where Overdrive is the corresponding Advanced Nutrients supplement.

Does Advanced Nutrients Big Bud contain banned PGRs?

Advanced Nutrients states that Big Bud does not contain paclobutrazol, daminozide or other banned plant growth regulators.

Pay with

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • Shop Pay
  • Union Pay
  • Visa

Your transaction is protected with advanced security measures to keep your information confidential

£87.95