Fertilizers & nutrients
by Druid Nutrients
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Berkana plant nutrient is a dry-mix, full-cycle formula from Druid Nutrients that feeds your plants from the vegetative stage right through to flowering — one product, no bottle-swapping. With an NPK ratio of 10-30-20 and a blend of trace elements, amino acids, fatty acids, and phytonutrients, this Berkana plant nutrient delivers everything your garden needs in a single application. Mix it with water, pour it into the soil, and let the formula do the work. If you want to buy a straightforward grow nutrient that covers veg and bloom without a shelf full of bottles, this is the one to order.
Berkana plant nutrient comes in two sizes. The 25 g pack is a solid trial run — enough to mix roughly 25 litres of nutrient solution at the recommended dosage, so you can see how your plants respond before committing to a larger supply. The 250 g pack mixes up to approximately 250 litres and covers a full grow cycle for a small to medium indoor setup. If you're running a single tent with 2–4 plants, the 250 g will comfortably see you through both veg and bloom.
Berkana plant nutrient replaces multi-bottle feeding schedules with one dry powder that covers the entire grow cycle. Most nutrient lines ask you to juggle 3–5 bottles, each with its own dilution rate and feeding schedule. Berkana cuts that down to one dry formula. The 10-30-20 NPK ratio leans heavily on phosphorus (the middle number), which — according to the manufacturer Druid Nutrients — is intended to aid root development and flower production, while the nitrogen and potassium cover vegetative growth and overall plant resilience. On top of the NPK base, Druid Nutrients have packed in a full spectrum of minerals, trace elements, amino acids, fatty acids, phytonutrients, and fruit oils — all from natural sources.
The dry format is worth mentioning because it changes how the product feels to use. There's no sticky residue on your hands, no half-empty bottles leaking in your grow cupboard. It's a fine powder that dissolves cleanly in water. The smell is earthy and faintly grain-like — not unpleasant, just distinctly organic. You measure it out, stir it in, and you're done. We've had customers tell us they switched from multi-part liquid feeds to Berkana purely for the simplicity, and never looked back.
The table below lists the full technical profile of Berkana plant nutrient as provided by Druid Nutrients.
| Spec | Value |
|---|---|
| Brand | Druid Nutrients |
| Product | Berkana |
| Type | Single-component dry nutrient |
| NPK Ratio | 10-30-20 |
| Ingredients | Minerals, trace elements, amino acids, fatty acids, phytonutrients, fruit oils |
| Source | 100% natural |
| Recommended Dosage | 100 g per 100 litres of water |
| Target EC | 1.2 |
| Optimal pH Range | 5.5–7.5 |
| Cycle Coverage | Full cycle (vegetative + flowering) |
| Application | Indoor, outdoor, greenhouse |
| Available Sizes | 25 g (SKU: HS2556), 250 g (SKU: HS1582) |
| Growing Medium | Recommended pH Range | Notes |
|---|---|---|
| Soil | 6.0–7.0 | Most forgiving medium; buffer capacity reduces pH swings |
| Coco coir | 5.5–6.5 | Requires more frequent watering; monitor EC closely |
| Outdoor beds | 6.0–7.5 | Dissolve at 1 g per litre in watering can |
Running a grow tent? Pair Berkana with a pH meter and an EC meter to dial in your feed solution precisely — at 100 g per 100 litres targeting an EC of 1.2, accurate measurement is the difference between thriving plants and burnt roots. A simple measuring scale that reads to the gram is also worth grabbing if you don't already have one. Check out the Azarius grow accessories category for digital scales, pH Up, pH Down, and calibration fluids. Products like the Milwaukee pH600 or the Essentials EC Meter are popular picks among our customers who grow with Berkana.
A full-cycle nutrient eliminates the most common source of feeding errors: switching between separate veg and bloom formulas at the wrong time. Here's what we see over and over: someone starts their first grow, buys a veg nutrient and a bloom nutrient, maybe a CalMag supplement and a root booster, and ends up with four bottles, three different feeding schedules, and a spreadsheet they stop updating by week two. The plants get inconsistent feeds, nutrient lockout sets in, and the grower blames genetics when it was really just chaos in the reservoir.
Berkana plant nutrient sidesteps that entire mess. One product, one mixing ratio, one formula from seedling to harvest. The 10-30-20 ratio is deliberately phosphorus-heavy, which means — as Druid Nutrients state on the packaging — it is already weighted toward what flowering plants demand most. During veg, the 10% nitrogen keeps growth steady without pushing the kind of stretch you'd get from a high-N feed. During bloom, the 30% phosphorus and 20% potassium are formulated to drive flower development and help the plant metabolise sugars efficiently, according to the manufacturer.
The honest limitation? If you're an advanced grower who likes to fine-tune nitrogen levels week by week or push EC above 1.5 during late bloom, a single-component formula won't give you that granular control. Berkana is built for reliability and simplicity, not for chasing the absolute maximum yield from every square centimetre. For most growers — especially anyone running their first few cycles — that trade-off is well worth it. Compared to something like a multi-part liquid feed from Plagron or BioBizz, Berkana plant nutrient is less flexible but dramatically easier to get right.
Using Berkana plant nutrient requires only water, a scale, and a pH/EC meter — no complicated mixing charts or multiple bottles.
Over two decades of stocking grow nutrients at our Amsterdam shop, the single biggest mistake we see — across all brands, all experience levels — is overfeeding. We've been stocking grow nutrients since the early 2000s, and growers consistently assume more nutrients means more growth. It doesn't. It means burnt roots, locked-out minerals, and stressed plants that stall instead of thriving. Berkana plant nutrient's dry format actually helps here, because you're measuring a powder on a scale rather than eyeballing millilitres from a bottle. It's harder to accidentally double-dose when you're weighing 2.5 g on a scale versus squinting at the 5 ml line on a syringe. Data from the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) confirms that home cultivation across Europe has grown steadily, and with it the demand for simpler, error-resistant nutrient systems — which is exactly the niche Berkana fills.
The other thing worth noting: because Berkana targets a pH range of 5.5–7.5, it works in both soil and coco setups. Soil growers will typically sit at the higher end of that range (6.0–7.0), while coco growers want to stay closer to 5.5–6.5. The formula doesn't buffer pH for you, so you'll still need pH up or pH down on hand. Don't skip this step — pH drift is the silent killer of otherwise well-fed plants. If you're looking to get the best results, grab a bottle of pH Down from the Azarius grow section alongside your Berkana order.
Berkana plant nutrient is designed as a soil drench — you mix the powder with water and pour it into the growing medium. While the dry formula dissolves fully, Druid Nutrients formulate it for soil and coco applications. For deep water culture or NFT systems, a liquid hydro-specific nutrient is a safer bet.
Follow your normal watering schedule and alternate between plain water and Berkana solution. Most soil growers feed every second or third watering. Monitor your plants and adjust — if leaf tips start yellowing or burning, extend the gap between feeds.
The three numbers represent nitrogen (10%), phosphorus (30%), and potassium (20%) by weight. The high phosphorus content is formulated by Druid Nutrients to aid root and flower development, while nitrogen fuels vegetative growth and potassium aids overall plant metabolism. This ratio is weighted toward bloom but balanced enough for the full cycle.
At 1 g per litre, the 25 g pack makes 25 litres of nutrient solution. For a single plant in a small pot, that might stretch across several weeks. For a multi-plant setup, it's better suited as a trial. The 250 g pack is the practical choice for a complete cycle — order the larger size if you're planning a full run.
Berkana plant nutrient is formulated as a complete single-component feed, so it already contains trace elements, amino acids, and phytonutrients. Stacking additional nutrients on top risks overfeeding and nutrient lockout. If you want to add a specific supplement, reduce the Berkana dosage accordingly and monitor EC closely.
Overfeeding shows up as leaf tip burn, unusually dark green leaves, and slowed growth. If you spot these signs, flush the growing medium with plain, pH-balanced water — roughly 2–3 times the pot volume — then resume feeding at a reduced rate. Prevention is easier: stick to 1 g per litre and measure carefully.
Yes. Druid Nutrients designed Berkana plant nutrient for indoor, outdoor, and greenhouse use. For outdoor beds, dissolve the powder in your watering can at the same 1 g per litre ratio and water as normal. The natural ingredient profile means it won't harm soil biology.
Last updated: April 2026
