Athena Nutrients -- Pro Line & Blended Line
Athena Nutrients has become one of the most widely adopted nutrient programs in commercial indoor growing over the past several years, built on clean, salt-free formulations and a straightforward two-product-per-stage program structure. Athena offers two distinct product lines -- the Pro Line (dry concentrates) and the Blended Line (liquid two-part system) -- with a consistent nutrient philosophy across both: minimal additives, high solubility, predictable plant response, and EC-based dosing that scales cleanly from hobby to commercial operation.
Athena Pro Line -- Dry Concentrates for Commercial Operations
The Athena Pro Line is a dry, water-soluble concentrate system designed for commercial growers who mix large-volume nutrient tanks. Pro Grow and Pro Bloom are the base nutrients for vegetative and flowering stages; Pro Core covers calcium, magnesium, and micronutrients throughout the entire grow cycle. The dry format significantly reduces shipping cost per gallon of mixed solution and reduces storage footprint compared to equivalent liquid programs -- at commercial scale, the cost savings are substantial. Pro Line formulations are pH-stable, have minimal salt buildup, and are designed to be mixed in stock tanks at high concentrations before dilution into irrigation lines. Athena Cleanse (a dilute hypochlorous acid product) is used between reservoir changes to sanitize lines and prevent biofilm buildup -- a significant maintenance advantage in recirculating systems.
Athena Blended Line -- Liquid Two-Part for All Scales
The Athena Blended Line is a liquid two-part system: Grow A+B for vegetative growth and Bloom A+B for flowering. The two-part format keeps calcium separated from sulfates and phosphates in concentrated form (to prevent precipitation) while delivering a complete nutrient profile when mixed in the reservoir. Blended Line is the entry point for growers who want the Athena program at smaller scale without the bulk dry mixing equipment that Pro Line requires. The mixing ratio is simple -- equal parts A and B at the target EC -- and the Athena website provides stage-specific EC targets and feeding schedules.
Athena IPM -- Integrated Pest Management
Athena also produces an IPM (integrated pest management) product: Athena IPM, a plant-safe foliar spray combining rosemary and peppermint oils with a wetting agent as a preventive pest deterrent. It is OMRI listed and designed for use during vegetative growth as part of a scheduled preventive spray program rather than as a reactive treatment. Many commercial operations use Athena IPM on a weekly spray schedule during veg to maintain clean plant health before transitioning to flowering.
Athena Feeding Schedules & EC Targets
Athena publishes detailed feeding schedules for both Pro Line and Blended Line on their website -- week-by-week EC targets and product ratios for each stage from seedling through flush. Their program is built around EC management rather than volume-based dosing, which makes scaling from a single reservoir to a multi-zone commercial facility straightforward. For coco coir grows (the most common Athena use case), Athena recommends starting EC at 1.4-1.8 during early veg and targeting 2.2-3.2+ EC during peak flowering depending on variety.
Browse the complete Athena Nutrients collection or explore other qualified brands: General Hydroponics, Canna, and HGV Nutrients. Commercial accounts available.
Athena Nutrients FAQ
What is the difference between Athena Pro Line and Blended Line?
Athena Pro Line is a dry concentrate system designed for commercial growers mixing large-volume stock tanks -- significantly lower cost per mixed gallon and reduced storage footprint at scale. Blended Line is a liquid two-part system (A+B) suited for hobby to mid-scale grows where mixing dry concentrates is not practical or desirable. Both lines follow the same Athena nutrient philosophy and produce comparable results. Most commercial operations use Pro Line; most hobby and small commercial growers start with Blended Line and may switch to Pro Line as they scale. Both require Athena Core (Pro Line) or a Ca-Mg supplement to complete the nutrient profile.
What EC should I run with Athena nutrients?
Athena's published feed charts provide stage-specific EC targets. General guidelines for coco coir: seedling/early clone 0.8-1.2 EC; early vegetative 1.4-1.8 EC; late vegetative 1.8-2.2 EC; early flower 2.0-2.6 EC; peak flower 2.4-3.2+ EC depending on variety and environment; pre-harvest flush 0.0-0.5 EC. These are starting points -- the optimal EC for your specific crop, environment, and water quality may differ. Athena's full feeding charts with week-by-week EC targets are available on the Athena Nutrients website.
Can Athena nutrients be used in soil?
Athena is primarily designed and optimized for soilless growing -- coco coir, rockwool, and recirculating hydroponic systems. It can be used in soil as a liquid feed, but the precise EC management that makes Athena particularly effective in soilless grows is harder to maintain in soil where organic matter and microbial activity interact with nutrient availability. For soil growers wanting a liquid nutrient program, Athena Blended Line works as a soil drench at reduced rates, but most Athena growers use it in coco or hydro. If soil is your primary medium, nutrients designed specifically for organic soil programs may be a better fit.
What is Athena IPM and how do I use it?
Athena IPM is a plant-safe foliar spray combining rosemary oil and peppermint oil with a wetting agent. It is OMRI listed for use in organic growing programs. It is designed as a preventive treatment applied on a scheduled basis during vegetative growth -- typically once or twice per week as part of an integrated pest management rotation. It is not a rescue treatment for active heavy infestations; its value is in maintaining clean plant health as a prophylactic. Apply during lights-off or in low-light conditions to avoid the oil concentrate causing light burn on wet leaves. Shake well before use and mix at the recommended dilution rate with water.
Does Athena work well in coco coir?
Yes -- Athena and coco coir is one of the most widely adopted growing combinations in modern commercial indoor cultivation. Coco coir's excellent drainage and aeration properties align well with Athena's high-frequency irrigation approach (many growers run 4-12+ irrigations per day in coco with Athena). Coco's neutral pH and consistent physical properties make Athena's EC-based dosing predictable and repeatable from cycle to cycle. The main coco-specific consideration is that coco buffers calcium and magnesium -- Athena Pro Core covers this in the Pro Line program; Blended Line growers should follow Athena's Ca-Mg supplementation guidance. See our updated guide to growing in coco coir for full substrate and nutrient guidance.
