Mills Nutrients - Basis A&B (Hard Water)

MILLSSKU: 762160

Size: 1 Litre A & 1 Litre B
Sale price£27.49

Blended Mineral and Organic Base Nutrients for Hard Water

Basis A&B are highly concentrated, two-part, organo-mineral NPK base nutrients that deliver optimal nutrition right the way though the vegetative and flowering stages. As an organo-mineral feed, Basis contains a blend of mineral salts and organic additives, giving you the best of both the hydroponic and organic worlds. The formulation enables plants to fully absorb nutrients within wider pH ranges than other similar feeds, making it a very forgiving and easy-to-use nutrient.

This version of Basis is tailored to hard water areas, with starting EC levels above 0.3. If you're in a soft water area, or you're running a reverse osmosis system, there's a different version that's tailored to the job.

Visit the Mills category to see the complete range or check out the One Stop Blog for more info.



Your choice of size of Basis A&B Hard Water (choose your size above)


  • Enhances cell division for faster all-round growth
  • Blends minerals with organic additives
  • Accelerates the process of photosynthesis
  • Contains red iron, which is involved in the manufacturing of chlorophyll
  • Delivers excellent yields in pretty much any grow medium or grow system - soil, coco or hydroponic
  • Improves nutrient transportation
  • Fortified with an array of essential trace elements
  • Stimulates the plant’s immune system
  • Optimised for hard water areas - if your EC is below 0.3, go for the soft water variant
  • Calcium in A, magnesium in B
  • Comes in four sizes: 1 litre, 5 litre, 10 litre, 20 litre


How To Use

How to Use Mills Basis A&B (Hard Water)

These nutrients are extremely easy to use and have been designed to be compatible with all growing mediums and watering methods.

Use equal amounts of both parts A & B at a rate of between 1ml per litre and 3.5 ml per litre until your reach the required nutrient strength. You'll need a pH meter and an EC meter to administer these nutrients. You can find a large selection of suitable equipment in the pH & EC Control section.

Basis A&B (Soft Water) must be kept out of reach of children, and is harmful if it comes into contact with your eyes. Avoid ingesting or breathing in the product, as it could be corrosive and harmful to your health if swallowed. Avoid direct heat, fire, or contact with your skin, as prolonged exposure could cause irritation.

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