Description

Grenade Black

Developed with a powerful organic and mineral blend, this formula is carefully crafted to boost plant growth and yield. Grenade Black introduces a new standard in plant nutrition, combining top-quality minerals, amino acids, phytohormones, and biological cofactors to increase plant energy, optimize sulphur levels, and stimulate secondary metabolite production. Experience healthier, heavier, and more abundant crops with Grenade Black. By leveraging a precise blend of essential ingredients, such as amino acids, cytokinins, gibberellins, polysaccharides, betaines, auxins, proteins, enzymes, carbohydrates, and trace minerals, this supplement enhances your plant's growth process. Boasting a guaranteed analysis of 3% nitrogen, 9% phosphorus, 19% potassium, 30% sulfur, 1375 mg/kg iron, and 132 mg/kg boron, Grenade Black takes a comprehensive approach to cultivation. 

Key Values

  • Higher yields: a unique formula that boosts plant energy levels, resulting in abundant, vibrant blooms during harvest season.
  • Sulphur Optimization: the addition of sulphur optimizes the production of secondary metabolites, resulting in a variety of advantageous compounds that promote plant durability and excellence.
  • Economical: with its concentrated dose rate, Grenade Black is not only efficient but saves time and money.
  • Diverse Active Inputs: a blend of amino acids, cytokinins, gibberellins, and other active ingredients work together to form an optimal environment, promoting diverse growth.
  • Compatible Versatility: Grenade Black seamlessly integrates with various nutrient regimes, ensuring you can harness its benefits no matter your preferred approach.

How to Use

  • Shake well before use to ensure a uniform mixture.
  • During weeks 5-6-7 of the flowering cycle, add Grenade Black to your nutrient solution at a dose rate of 0.2ml to 0.4ml per litre of water.
  • If you're following a nutrient chart, introduce Grenade Black as the first step, then gradually top up with your base nutrients and other additives to attain your desired EC level.
  • Avoid using multiple PK products simultaneously to prevent overloading the plants.
  • Handle and store Grenade Black responsibly in a cool, dry place, maintaining temperatures between 5°C and 30°C for optimal shelf life.

Explore the range

See all Additives & Boosters (153)

Not sure which one is right for your setup? Message us on WhatsApp or call 0121 553 7872.

Delivery, returns and FAQs

Will my order arrive in plain packaging?

Yes. Every order is sent in plain, unbranded packaging as standard.

How quickly will my order arrive?

Order standard size items by 12pm on a working day and choose Next working day at checkout, and your order will be with you the next working day. Standard delivery takes 2 to 3 working days.

Bulky items such as grow tents, large fans and 50L bags of soil go by courier in 2 to 3 working days, or on a pallet for very heavy orders. Next day is not available for these, and if your basket includes a bulky item the whole order travels with it.

UK delivery is free on orders of £94.99 or more, except for bulky items. See our delivery page for full prices.

Can I collect from the shop?

Yes. Choose Click & Collect at checkout and pick up for free from our shop at Unit 2 Black Lake, West Bromwich, B70 0PJ. Orders are usually ready within 1 hour.

Can I return an item?

You have 14 days from receiving your order to tell us you want to cancel, then a further 14 days to send it back. Items need to be unopened and in a resaleable condition.

If you change your mind, the return postage is paid by you. If something arrives faulty or damaged, send us photos within 48 hours and we will cover the cost of putting it right. Full details are in our refund policy.

Do you price match?

Yes. If you find the Grenade Black & Green Nutrients cheaper at another UK retailer, use the Price Match button on this page. We usually reply within one business day.

Need help choosing?

Speak to our team. Call us on 0121 553 7872, message us on WhatsApp, or visit the shop in West Bromwich.

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