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Druid Nutrients · Best, Netherlands

One formula.
Every stage.
Every grow.

Berkana is one dry formula. Same dose logic, every stage.

See sizes & pricing Calculate your dose
Berkana 1000g
★ 4.9
Verified growers
1
Formula. Full cycle.
90+
Chelated minerals
€0.08
Per litre at 1000g
€50+
Free shipping
14
Day returns

Why Druid exists

The industry sells you water and confusion.

Liquid nutrients are up to 90% water. The feeding chart exists to sell you more products, not to grow better plants. Berkana is one dry formula. It replaces all of it.

Time
Six products doing one job.
  • Base nutrient. Root stimulator. Bloom booster. PK enhancer. CalMag. Flush agent.
  • Six bottles to dose, track, and reorder.
  • Six failure points. One mistake costs a harvest.
Money
You are paying for water and marketing.
  • Liquid nutrients are up to 90% water.
  • The feeding chart changes every season to sell you something new.
  • You have suspected this for years. You are right.
Control
Predictable results need stable inputs.
  • Not six products that change with every season and every sales cycle.
  • One formula. Same dose logic. Same result.
  • That is the whole system.

By growers. For growers.

Built by someone who used the old system for 30 years.

Jeffrey Hinsbeeck spent 30 years growing with every bottle on the shelf. When a scientist told him a single formula could replace all of it, he drove to the greenhouse and tested it himself. It worked.

"I told him it was impossible. Then I drove to the greenhouse and measured it myself. The plants were thriving."

Jeffrey Hinsbeeck, Founder, Druid Nutrients, Best, Netherlands

30
Years growing before building this
2021
Best, Netherlands
2x
Independently lab tested
90%
More concentrated than liquid by volume

How it works

Three steps. Every grow.

01
Measure.
Weigh dry on a precision scale. 2g per litre seedling to 5g at flush. That is the entire schedule.
02
Mix.
Add to water. Stir five minutes. No sediment. Hydroponics: stir twice, 45-minute pause. Only variation.
03
Grow.
Feed. pH buffered 5.5-7.5, no adjustment needed. No switch at bloom. Same product, every stage.

The formula

One formula. Every stage.

Berkana 1000g
GROW TRUST
Berkana
ESSENTIAL
NPK 10-30-20 · 2% MgO · Chelated Trace Elements · Humic and Fulvic Acids · Seaweed Extract

Growth and bloom. Nothing left out.

Berkana replaces your entire nutrient setup. Chelated iron, manganese, zinc, copper, boron, and molybdate keep uptake consistent regardless of pH or growing medium. Humic acid drives root development. Fulvic acid moves nutrients at the cellular level. Seaweed extract carries it through from seed to flush. Mix with water. That is it.

5.5 to 7.5
pH buffer range
Soil · Coco · Hydro
Compatible mediums
250g · 500g · 1000g
Available sizes
View Berkana → €1.85 per plant at 250g · €0.079 per serving at 1000g

For specific situations only

The rest of the shelf.

Jera
ORGANIC TRUST
Jera
OPTIONAL

Organic booster. Humic acid, fulvic acid, seaweed. Use when you grow organic and Berkana alone is not enough.

Use when:
Organic grows without Berkana, or as a flush product in the final week.
Uruz
CALCIUM TRUST
Uruz
OPTIONAL

Calcium supplement for high-intensity and hydro grows. Prevents deficiency where Berkana alone cannot keep up.

Use when:
Hydroponics at high intensity with calcium deficiency despite correct Berkana dosage.

From growers.

★★★★★ 4.9 Verified reviews
★★★★★

"I was skeptical. I have tried every all-in-one on the market and they always fall short somewhere. Berkana does not. Third cycle in and my results are more consistent than they have ever been."

M.V. · Netherlands · Verified purchase
★★★★★

"Finally threw out the feeding chart. Mixed Berkana at the doses on the schedule page and did not touch anything else. Plants looked better than they did with my old five-bottle setup."

D.K. · Germany · Verified purchase
★★★★★

"Honest company. The website told me I probably do not need Jera. I tested it anyway. They were right. Berkana alone covers it. I appreciate brands that tell you not to spend more money."

R.S. · Spain · Verified purchase

Why it matters

Two ways to grow. One choice.

With Berkana
The same inputs. The same results. Every time.
  • ✓Start your first grow with the same formula you will use on your tenth. Nothing changes.
  • ✓One dose table. One page. The same targets from seedling to flush.
  • ✓Consistent results because the inputs stay constant. No variables introduced between cycles.
  • ✓Works in soil, coco, rock wool, and hydroponics. Same product. Same method.
  • ✓Dry granules: 90% more concentrated, no breakage, no liquid weight, no expiry pressure.
Without it
A different system every cycle. Results you cannot predict.
  • ✗A different formula for growth. A different one for bloom. A new one at week six.
  • ✗Results that shift every time you change products, adjust the chart, or switch brands.
  • ✗Six products to source, dose, and reorder. Six things that can run out or go wrong.
  • ✗Liquid concentrates: up to 90% water, premium price, breakage risk in transit.
  • ✗A brand whose revenue grows every time yours does not.

Try it now

How much Berkana do you need?

Pick your medium, stage, and water volume. Done in 10 seconds.

Growing in
Growth stage
Water volume
10L
Berkana for 10 litres
20–30g
Add to water · Stir 5 min
Full schedule & calculator

For a good grow. Every time.

One formula.
Every stage.
Go grow.

Berkana is the formula most growers need and nothing else. We will always be the first to tell you when you do not need something. When you do, it is here, tested, and ready.

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