Athena Nutrients Pro Line – Core — Professional Dry Base Nutrients for Precision Growing
Best for: Commercial growers and serious hobbyists who want complete baseline nutrition without the weight and cost of liquid systems
Our thoughts
This is what professional growers use when they need baseline nutrition that actually works across all stages. Fully soluble, zero sediment, works with any dosing system you throw at it. One we sell a lot of for growers moving from liquid to powder or scaling up their operation.
Athena Pro Core is the foundation nutrient of the Athena Pro Line system — a fully soluble dry powder that delivers complete baseline nutrition in the form of nitrogen, calcium, and essential microelements your plants need at every stage of growth. It's designed to work alongside stage-specific nutrients (Pro Grow for vegetative, Pro Bloom for flowering), giving you full control over your feeding schedule without the cost and shipping weight of liquid formulations. Clean, fast-mixing, and compatible with every major dosing system, Pro Core is the choice of commercial cultivators and serious growers who don't want to compromise on precision or reliability.
How it compares
Athena Pro Line sits at the top end of the UK hydroponic nutrient market for good reason.
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vs. General Hydroponics Flora: Flora is the industry standard liquid system — proven results, but you're shipping water weight and paying more per litre. Pro Core gives you the same professional-grade reliability in powder form at significantly lower cost.
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vs. CANNA: CANNA holds its own in Europe with precision products, but Athena dominates UK rankings for consistency and value at scale.
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vs. Advanced Nutrients: Advanced innovates frequently but premium pricing. Athena strips out the hype and focuses on results — which is why commercial growers prefer it.
Bottom line: You're getting professional-grade baseline nutrition engineered for systems that run 24/7, without the markup of brands trading on reputation alone.
Usage guidance
Pro Core is the foundation, not a complete feed on its own. You'll pair it with Pro Grow (vegetative stage) or Pro Bloom (flowering stage) to create a complete nutrient profile.
Stock tank mixing (recommended method)
Pro Core is designed to be mixed into concentrated stock tanks first, then dosed from there — not directly into your reservoir. Mix at a maximum of 2.5 lbs per 1 gallon of water, agitate well until fully dissolved. This concentrate sits cleanly in your tank without sediment or clogging.
Dosing for target EC
Use the 2 lb per gallon ratio chart to calculate your ml-per-gallon dose for your target electrical conductivity. This precision is why commercial growers love powder nutrients — you measure by weight, not guesswork.
System compatibility
Works with Dosatron, Netaflex, Rhythm, or any automated dosing system. The 100% water-soluble formula won't clog irrigation lines or leave sediment in reservoirs — critical for drip systems and drain-to-waste setups running unattended.
Growing media
Use with coco, hydro, rockwool, or soil. Pro Core provides the baseline calcium and nitrogen every medium needs; stage-specific nutrients (Grow/Bloom) dial in the rest depending on what stage your plants are in.
What you'll need to know
Growers report that Athena's nutrition is incredibly balanced and won't cause toxicity issues even at higher EC levels. However, powder nutrients require more precision than liquid — you need accurate scales, clean water, and a decent understanding of EC/PPM targets. If you've run liquid systems before and want to scale up or cut costs, this is the natural next step. If you're completely new to hydroponics, a liquid 3-part system might be less faffy to start with.
Technical specifications
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NPK Ratio: 14-0-0 (nitrogen-dominant base nutrient)
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Form: Fully soluble dry powder, 100% water-soluble with no particulates or sediment
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Key nutrients: Calcium nitrate, iron EDTA, copper EDTA, manganese EDTA, zinc EDTA, boric acid, sodium molybdate
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Heavy metals: Low heavy metal content; engineered for clean formulation
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Solubility: Mixes quickly at room temperature with no sludge or residue
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Available sizes: 5 lb (kit component), 10 lb (bundled with Pro Grow and Pro Bloom), 25 lb (commercial bulk)
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Shelf life: Remains stable for years in dry storage — no expiry date concerns
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Mixing ratio: Maximum 2.5 lbs per 1 gallon water for stock concentrate
Who this is for
- Commercial cultivators running automated systems who need cost-effective baseline nutrition at scale
- Experienced hobbyists with established hydroponic or drain-to-waste setups ready to move beyond liquid nutrients
- Growers comfortable with EC/PPM targeting and precision dosing who want full control over their feed schedule
- Anyone running multiple rooms or large systems where nutrient costs add up — powder format saves serious money on shipping
- Technical growers who value precision over convenience and want to squeeze every bit of performance from their system
Not ideal if you're completely new to hydroponics or prefer simple, ready-mixed solutions. If you're scaling up from hobby to commercial, or you've mastered liquid systems and want the next level of control, this is the nutrient to reach for.
Our take
This is professional-grade baseline nutrition designed for growers who take their results seriously. Athena Pro Core dominates the UK market because it delivers — consistent, clean, and cost-effective once you've got your system dialled in. Paired with Pro Grow and Pro Bloom, you've got a complete nutrient platform that works at any scale.
If you're running a serious operation and still mixing liquid nutrients by hand, worth picking up while stock lasts. Does exactly what it should, day in, day out.
