Green Planet Nutrients
GreenPlanet Nutrients is a British Columbia company with 25 years of craft-growing behind it, and a major nutrient brand across North America. Its range covers every kind of grower: a simple two-part liquid in Dual Fuel and the dry HORTI line for commercial rooms — plus the additives that sit on top of both. GreenPlanet nutrients sold in Australia are bottled here under licence by WHG in Melbourne, and Quick Bloom Lights stocks the range in Sydney along with GreenPlanet's own coco.
2 base lines
liquid two-part or dry
Bottled in AU
under licence by WHG, Melbourne
1,000 L
from one Dual Fuel Starter Kit
Ships Sydney
local stock, local support
Which GreenPlanet base is yours?
Every GreenPlanet feed starts with one base line. Pick the one that matches how you like to mix and how big you grow, then add the extras your plants and water call for.
Dual Fuel — the simple two-part
Two bottles, used in equal amounts through the whole cycle. The easiest GreenPlanet feed to run and our best-selling way in, especially as the Starter Kit.
See the Starter Kit →HORTI — the dry commercial line
Soluble powders mixed into concentrates or day tanks. Built for larger rooms that want a low cost per litre of feed and a stage-by-stage recipe.
Start with Horti Cal →
Pick one base and stay with it. Dual Fuel and HORTI are separate recipes with their own feed programs — run one of them, not both. The additives are designed to work with whichever base you choose.
What each product does
Dual Fuel liquid base
Two-part liquid, measured from the bottle.
GreenPlanet Dual Fuel
Two-part base used 1:1 from veg through flower. Sold as a set of both bottles.
GreenPlanet Dual Fuel Starter Kit
Two sets of Dual Fuel 1 L (one free) plus Massive and Rezin 1 L — makes up to 1,000 L of feed.
HORTI commercial line
Dry, fully soluble powders for concentrates and day tanks.
GreenPlanet Horti Cal 14-0-0
Nitrogen, calcium and magnesium — the calcium base of the HORTI line. 2.3 kg.
GreenPlanet Horti Grow 8-11-21
Dry vegetative base with magnesium, sulfur and micronutrients. 2.3 kg.
GreenPlanet Horti Bloom 5-15-26
Dry base for early to mid flower. 2.3 kg.
GreenPlanet Horti Late Bloom 0-24-26
Nitrogen-free base for the final one to two weeks of flower. 2.3 kg.
GreenPlanet Horti Late Cal
Zero-nitrogen calcium and micronutrients for late bloom. 1.13 kg.
GreenPlanet HORTI RawK
Potassium flowering additive, used alongside your base to build flower mass.
Flowering additives
Used on top of your base through bloom.
GreenPlanet Massive Bloom Formulation
Organically derived flowering additive with microelements, used through bloom.
GreenPlanet Rezin
Flowering additive formulated to lift aroma and flavour. No PGRs.
GreenPlanet PK Spike
Liquid phosphorus and potassium boost for mid flower, up to 1 mL/L.
GreenPlanet Bud Booster
Powdered high-P and K bloom additive, from 60 g to 5 kg.
GreenPlanet Liquid Weight
Carbohydrate blend that feeds the plant and root-zone microbes in flower.
GreenPlanet Karbo Boost
Powdered carbohydrate additive for the flowering stage.
Support additives
Calcium, silicon, roots and propagation — used across the cycle.
GreenPlanet Pro Cal
Calcium and magnesium additive used through veg and flower with any GreenPlanet base.
GreenPlanet Plant Guard
Potassium silicate for stronger cell walls, at 0.5 mL/L per feed.
GreenPlanet Vitathrive
Vitamin and mineral blend for propagation, transplants and recovery from stress.
GreenPlanet Ocean Magic
Cold-pressed Atlantic kelp (Ascophyllum nodosum) for vegetative growth.
GreenPlanet Root Builder
Root-zone inoculant with Bacillus licheniformis and Bacillus subtilis.
Growing in coco? We also stock GreenPlanet's own Professional Coco 70/30 Perlite and Professional mixes in 53 L bags, from the same brand.
Feed programs and getting started
GreenPlanet publishes feed programs for each base line and a nutrient calculator on greenplanetnutrients.com. Choose your base, follow its program week by week, check EC and pH after mixing, and change one thing at a time.
Not sure which base or additives your setup needs? Ask us before you buy. Tell us your tent size, medium and water, and we'll put the list together.
FAQ
I'm new to GreenPlanet — where should I start?
The Dual Fuel Starter Kit. It includes two sets of Dual Fuel 1 L (one of them free), plus Massive and Rezin in 1 L, and makes up to 1,000 litres of feed. It's our best-selling GreenPlanet product for exactly that reason.
Dual Fuel or HORTI — which should I choose?
Dual Fuel if you want the simplest feed: two liquids used 1:1 all the way through, with only the strength changing. HORTI if you run a larger room, mix concentrates or day tanks, and want a dry, stage-by-stage recipe. Both work with the same GreenPlanet additives.
Who is the HORTI line for?
Growers running larger rooms, day tanks or injectors. Dry powders typically work out cheaper per litre of feed than liquids, and the line runs as a stage-specific recipe: Horti Cal with Horti Grow in veg, Horti Bloom through early to mid flower, and Horti Late Bloom with Late Cal to finish.
Do I need every additive?
No. A base line on its own is a complete feed. Most growers add Pro Cal on RO or soft water, then pick flowering additives such as Massive, PK Spike or Rezin to suit their goals. Start simple and add one product at a time.
Can I mix GreenPlanet with another brand?
We don't recommend it. GreenPlanet's feed programs are built around its own bases and additives, and mixing brands makes results harder to predict and problems harder to trace. The same goes for our Athena range — pick one brand's system and run it.
Is this genuine GreenPlanet stock?
Yes. Every bottle and bag is genuine GreenPlanet product. The nutrients are bottled in Australia under licence by WHG in Melbourne, then held in our Sydney warehouse and shipped domestically.