Please enter the details below and we will be in touch.
Quick Answer: Athena Stack is a premium kelp-based plant supplement designed to support vigorous vegetative growth, healthy flowering and overall plant vitality. Suitable for root drenching, foliar feeding and transplanting, Stack works alongside the complete Athena nutrient range in soil, coco and hydroponic systems.
Athena Stack is a natural plant supplement formulated from high-quality kelp extract to promote healthy plant development throughout the growing cycle. Rich in naturally occurring plant compounds, Stack helps support vigorous vegetative growth, healthy flowering and resilient plants while complementing your existing feeding programme.
Suitable for professional and hobby growers alike, Athena Stack can be applied as a root drench, foliar spray, transplant solution or seed treatment for maximum flexibility.
Kelp naturally contains beneficial plant compounds that help support healthy growth throughout the plant's life cycle. Athena Stack is designed to complement your existing nutrient programme by providing additional plant support during periods of rapid growth, flowering and transplanting.
It can also be used where additional potassium supplementation is required alongside your regular feeding programme.
For best results, begin using Athena Stack during the final week of vegetative growth and continue through approximately weeks four to five of flowering, or until plants have completed their vertical stretch.
Mix 1-2ml per US gallon (3.8 litres) of water once per week. Add Stack to your nutrient solution after your base fertilisers and mix thoroughly before use.
Mix 7ml per US gallon (3.8 litres) of water and spray evenly over the foliage once per week.
Apply immediately before lights switch off or at dusk outdoors. Allow foliage to dry completely before lights return and avoid foliar spraying after week three of flowering.
Mix 2ml per US gallon (3.8 litres) of water. Soak bare roots for 30-60 seconds before transplanting and water in with the remaining solution after planting.
Prepare a solution using 4ml per US gallon (3.8 litres) of water. Soak seeds for one to two minutes before planting.
Athena Stack is a concentrated kelp-based plant supplement designed to support healthy growth, flowering and overall plant vigour throughout the growing cycle.
Yes. Stack can be applied as a foliar spray during vegetative growth and early flowering, following the recommended dilution rates.
Yes. Athena Stack is suitable for hydroponic systems, coco coir and soil-grown plants, and is safe for most irrigation systems.
Apply from the final week of vegetative growth until approximately weeks four to five of flowering, or until plants have finished stretching.
Yes. It can be used as a root soak before transplanting and as a watering solution immediately after transplanting to support healthy plant establishment.
Mainland England & Wales
We ship parcels using DHL tracked Service. DHL will send you tracking information by email or text to inform you know when they will be delivering your parcel.
Small items are sent via a Royal Mail tracked service.
Our cut-off time for deliveries to leave us the same day is 3pm Monday to Friday.
In Stock: 1 - 2 Working Days
Out of Stock: 2 - 4 Working Days
Items Marked 'Out of Stock' on the website are not currently available from our supplier. Please call or email & we will update you when available.
If any item ordered is unavailable we will contact you by email or phone with expected delivery times. We only debit orders on dispatch so should you wish to cancel, we will do so.
Free Product Exchange:
We allow 30 days for a product exchange. On receipt of the original unused items we will return your exchange carriage free.
Terms and conditions apply.
Scottish Highlands / Northern Ireland
The cut off time for deliveries to leave us the same day is 3pm Monday to Friday.
We ship using DHL tracked service. DHL will send tracking information by email or text so you know when they will be delivering your parcel.
Small items are sent via a Royal Mail tracked service.
Free Collection:
Please arrange a collection time and date with our team if you wish to collect your order.