Mills Basis A and B Bio-Mineral Base Nutrient
Mills Basis A and B is a highly concentrated two-part bio-mineral base nutrient designed to support healthy plant development from vegetative growth through to flowering. Suitable for hydro, coco and soil systems, it offers dependable nutrition across a wide pH range and is available in 1L, 5L, 10L and 20L sizes.
- ✔ Two-part base nutrient for use throughout the full growth cycle
- ✔ Highly concentrated bio-mineral formula for consistent feeding
- ✔ Suitable for hydroponics, coco coir and soil growing
- ✔ Designed to support nutrient uptake across a wide pH range
- ✔ Helps support strong growth, vitality and plant development
- ✔ Available in 1L, 5L, 10L and 20L options to suit different grow sizes
Price range: £19.50 through £132.50 incl. Vat
🌱 Mills Basis A and B Bio-Mineral Base Nutrient — Guide and Product Information
Mills Basis A and B is a two-part bio-mineral base nutrient formulated to provide balanced plant nutrition from early vegetative growth right through to flowering. Designed for growers who want a dependable foundation feed, this concentrated nutrient system is suitable for a wide range of plant types and works across different growing methods.
Whether you are feeding in a recirculating hydroponic system, hand-watering coco, or using soil as your chosen medium, Mills Basis A and B is made to integrate easily into your routine. Its formulation is designed to help plants absorb what they need over a broad pH range, making it a practical option for everyday feeding.
🌿 Why choose Mills Basis A and B?
As a complete base nutrient, Mills Basis A and B is intended to form the backbone of a feeding programme. It is designed to support healthy plant development across the full growth cycle while helping maintain consistent nutrient availability.
- ✔ Supports feeding during both vegetative and flowering stages
- ✔ Encourages efficient nutrient absorption
- ✔ Designed to support photosynthesis and healthy plant function
- ✔ Helps promote plant vitality and balanced development
- ✔ Provides essential trace elements as part of a core feed programme
📦 Available Options and Sizes
Mills Basis A and B is available in several size options, making it suitable for small hobby grows through to larger feeding schedules.
- ✔ 1L
- ✔ 5L
- ✔ 10L
- ✔ 20L
Smaller sizes can be a practical choice for trial use, smaller grow spaces or lower plant counts, while larger options are useful for regular feeding routines and bigger systems.
💧 Suitable applications and growing methods
This two-part base nutrient is mainly used in hydroponic growing, but it is also suitable for soil and coco applications. It has been designed to work with different watering methods, giving growers flexibility whether they are hand-feeding, using drip irrigation or running a hydroponic setup.
If you are building or upgrading your feeding programme, you can explore more options in our Nutrients and Boosters range. Growers looking to expand a nutrient schedule may also be interested in PLAGRON Power Roots Root Stimulator or PLAGRON PUREZYM Enzyme Additive for Root Zone.
🔗 Related growing advice and complementary products
Consistent feeding works best alongside a well-managed growing environment. For more advice, read our guide to boosting plant nutrition with advanced grow kit techniques. You may also find it useful to read the role of grow lighting in hydroponics for practical tips on supporting nutrient uptake.
For growers using additional flowering feeds later in the cycle, products such as PLAGRON Terra Bloom Flowering Nutrient may also be worth considering depending on the wider nutrient plan.
📋 Technical Specifications
Product:
Mills Basis A and B
Product Type:
Two-part bio-mineral base nutrient
Category:
Nutrients and Boosters
Use:
Base nutrition for the full plant growth cycle
Application:
Suitable for hydroponics, coco and soil
Compatibility:
Designed for a wide pH range and various watering methods
Available Sizes:
1L, 5L, 10L, 20L
🌼 Ideal Uses
- ✔ As a core nutrient feed from vegetative growth to flowering
- ✔ For hydroponic systems requiring a two-part base nutrient
- ✔ For coco growers wanting a consistent everyday feed
- ✔ For soil growers looking for a concentrated mineral nutrient option
- ✔ For growers who want one base nutrient used across the whole cycle
🛠️ Setup and Usage Tips
Always use Mills Basis A and B as a two-part nutrient system and follow the manufacturer feeding guidance for your crop, growth stage and growing medium. Add each part separately to water rather than mixing concentrates together directly.
Check your EC and pH regularly, especially in hydroponic systems, and adjust your feeding strength according to plant response. Start carefully with younger plants or when changing nutrient schedules, then increase as needed within recommended guidance. Keep bottles sealed and stored in a cool place between uses.
❓ FAQ
What is Mills Basis A and B used for?
Mills Basis A and B is used as a base nutrient to support plant growth throughout both the vegetative and flowering stages.
Which growing media can it be used with?
It is suitable for hydroponics, coco and soil, making it a flexible choice for different grow setups.
What sizes are available?
Mills Basis A and B is available in 1L, 5L, 10L and 20L options.
Is this a nutrient for the whole growth cycle?
Yes, it is designed to be used throughout the full plant growth cycle as the core base feed.
Can beginners use Mills Basis A and B?
Yes, it is a practical option for both newer and experienced growers, especially when used carefully according to the feeding guidance for the chosen medium and stage of growth.
Why is it supplied as A and B?
Two-part nutrients help keep certain elements stable and available until mixing, supporting a balanced feed when used correctly.

