14-0-0 calcium-nitrogen base — runs every stage, every dosing system.
Athena Pro Core (14-0-0) is the constant in the Pro Line program — a fully soluble dry calcium ammonium nitrate salt formulated for stock-concentrate mixing and automated fertigation across vegetative and flowering stages. Dissolves completely at room temperature with no sediment, no clogging, and a low heavy-metal profile designed for clean, high-frequency irrigation.
Athena Pro Core is the backbone of the Athena Pro Line — a dry soluble fertilizer built around calcium ammonium nitrate and a full chelated microelement package. Its NPK is 14-0-0, with 17% calcium and trace elements delivered via EDTA and DTPA chelates: iron, manganese, copper, zinc, boron, and molybdenum. The formula is microelement-coated for a homogenous blend, meaning each scoop off the bag carries the same mineral ratio as the last.
Pro Core is not a standalone program. It is always paired with Athena Pro Grow during vegetative stages or Pro Bloom during flowering — Core runs at roughly 60% of the companion product's rate by weight. Together they make a complete two-part dry nutrient program with a lower cost-per-gallon than liquid alternatives and full recipe control for operators running EC-managed fertigation.
Pro Core is sized and formatted for licensed commercial cultivators — indoor and greenhouse cannabis and hemp operations running automated irrigation: Dosatron, Netafim, Rhythm, or any other proportional dosing system. The 25 lb bag format reduces packaging waste and cost-per-pound versus smaller consumer sizes, and the concentrate mixing procedure is purpose-built for batch-reservoir workflows at commercial scale.
The steady-EC feeding methodology Athena designs around — holding a consistent EC throughout the cycle and managing nutrient delivery via irrigation frequency rather than concentration swings — is a natural fit for multi-zone facilities where dialing in individual zones manually is not practical. If you're running coco, rockwool, or any other well-draining substrate with scheduled irrigations and precise dry-backs, this program is built for that environment.
Pro Core dissolves completely at room temperature — no heating required. The large-grind salt format goes fully into solution without leaving particulates or sediment in stock tanks or reservoirs, and Athena confirms the formula will not clog drip emitters or irrigation lines. Low heavy-metal content is a stated design priority, which matters for operators in states with strict input regulations or third-party testing programs that screen for heavy metal residuals in plant tissue.
Always measure by weight, not volume. The recommended stock concentrate rate is 2 lb per gallon of water (max 2.5 lb/gal). Do not pre-mix Core and Grow or Bloom together in dry form or in concentrated solution — always dilute each into water separately before combining. Reservoir direct-mixing is possible but Athena's published protocol favors stock concentrate first, then batch-reservoir dosing, for better consistency and fewer measurement errors at scale.
For a facility running automated dosing, Pro Core fits cleanly into any A/B or multi-part concentrate system: Core is one stock tank, Pro Grow or Pro Bloom is the second. Dose rates are dialed by EC target using Athena's published feed schedules, which specify ml-per-gallon from concentrate to hit target EC. The pairing ratio is 0.6 grams of Pro Core per 1 gram of Pro Grow or Pro Bloom — that ratio holds across light, medium, and heavy feed rates.
The 25 lb bag represents a meaningful volume commitment for a facility actively running the Pro Line. HSC carries Pro Core as part of a broader Athena Pro Line account, so operators looking to consolidate purchases across Core, Grow, Bloom, and supporting inputs can do so under a single vendor relationship with wholesale pricing. Contact us for a quote on volume orders or recurring program supply.
| SKU | PRO-CORE-25B |
| Guaranteed Analysis (NPK) | 14-0-0 |
| Total Nitrogen (N) | 14% |
| Calcium (Ca) | 17% |
| Boron (B) | 0.015% |
| Copper (Cu) | 0.01% |
| Iron (Fe) | 0.07% |
| Derived From | Calcium Ammonium Nitrate, Iron DTPA, Manganese EDTA, Copper EDTA, Zinc EDTA, Boric Acid, Sodium Molybdate |
| Bag Weight | 25 lb |
| Max Stock Concentrate Rate | 2.5 lb per 1 gallon water |
| Recommended Stock Concentrate Rate | 2 lb per gallon |
| Physical Form | Dry soluble granule (large-grind) |
No. Pro Core is always used in combination with Athena Pro Grow (vegetative stage) or Pro Bloom (flowering stage). Core supplies nitrogen, calcium, and the microelement package; the companion product supplies the phosphorus, potassium, and additional NPK ratios needed for complete nutrition at each stage.
Technically yes, but Athena's published protocol recommends converting Pro Core into a stock concentrate first (up to 2.5 lb per gallon of water), then using that liquid to dose your batch reservoir. Concentrate-first mixing gives you more consistent mineral balance and simpler dosing math, especially if you're running proportional injectors.
No. The large-grind formula is 100% water-soluble and leaves no particulates or sediment in solution. It is compatible with Dosatron, Netafim, Rhythm, and other precision dosing and drip systems without risk of emitter clogging.
The standard pairing ratio is 0.6 grams of Pro Core for every 1 gram of Pro Grow or Pro Bloom. Always measure by weight, not volume. Refer to Athena's published Pro Line feed schedules for stage-specific EC targets and ml-per-gallon dosing rates from concentrate.
Use the Request a Quote button on this page. HSC supplies Pro Core as part of the full Athena Pro Line — including Pro Grow and Pro Bloom — and can quote single-bag or volume orders with delivery to licensed cannabis and hemp operators nationwide.
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