FREE SHIPPING icon
FREE SHIPPING

Orders over $499

RARE & EXOTIC PLANTS icon
RARE & EXOTIC PLANTS

Hard-to-find varieties

PREMIUM QUALITY icon
PREMIUM QUALITY

Only the best for your grow

 chevron_left chevron_right

Nutrient Sale October 2026

Save up to 25% on participating nutrient and additive brands at Hydro Oasis. Browse the range and check each product for its current sale price.

Read more Read less
Filters

View

-5% Back-Order
Bardee Super Fly Fast Acting - 250g — Organic BSF Frass Fertiliser for Soil Health & Plant Nutrition
Bardee Super Fly Fast Acting - 5kg — Organic BSF Frass Fertiliser for Soil Health & Plant Nutrition

Bardee

Bardee Superfly - Fast Acting

A powerful organic fertiliser that delivers quick nutrition and long-term soil health in every application.

Size
From $9.49
$9.99 From $9.49
View product
-10%
Green Planet Horti Cal - 2.3kg — 14-0-0 Dry Cal-Mag-Nitrogen Fertiliser for Veg & Bloom

Green Planet

Green Planet Horti Cal

A calcium‑magnesium base that safeguards plants from deficiency and builds resilience from start to finish.

Size
$35.99
$39.99 $35.99
View product
-10%
Green Planet Horti Bloom - 2.3kg — 5-15-26 Dry Base Fertiliser for Early-to-Mid Flowering

Green Planet

Green Planet Horti Bloom

A clean, high‑phosphorus base to ignite your crop’s flowering phase.

Size
$53.99
$59.99 $53.99
View product
-15%
Bio Diesel Super Natural - All Sizes — Organic Growth Stimulant with Cold-Processed Sea Algae
Bio Diesel Super Natural - 250mL — Organic Growth Stimulant with Cold-Processed Sea Algae
Bio Diesel Super Natural - 1L — Organic Growth Stimulant with Cold-Processed Sea Algae
Bio Diesel Super Natural - 5L — Organic Growth Stimulant with Cold-Processed Sea Algae

Bio Diesel Nutrients

Bio Diesel Super Natural

Early strength and vitality for bigger, healthier harvests.

Size
From $29.74
$34.99 From $29.74
View product
-15%
Bio Diesel Crystal Clear - All Sizes — Organic Flushing Solution for Coco & Peat Systems
Bio Diesel Crystal Clear - 1L — Organic Pre-Harvest Flushing Solution for Coco & Peat
Bio Diesel Crystal Clear - 5L — Organic Pre-Harvest Flushing Solution for Coco & Peat
Bio Diesel Crystal Clear - 20L — Organic Pre-Harvest Flushing Solution for Coco & Peat

Bio Diesel Nutrients

Bio Diesel Crystal Clear

A sweeter, cleaner finish without the waste.

Size
From $12.74
$14.99 From $12.74
View product
-20%
FloraMax Clone Spray - All Sizes — Foliar Spray for Clone Rooting & Early Veg Development
FloraMax Clone Spray - 250ml — Foliar Spray for Clone Rooting & Seedling Development
FloraMax Clone Spray - 1L — Foliar Spray for Clone Rooting & Seedling Development
FloraMax Clone Spray - 5L — Foliar Spray for Clone Rooting & Seedling Development

FloraMax

FloraMax Clone Spray

Jump-start your crop with fast, clean-growing seedlings and clones.

Size
From $35.99
$44.99 From $35.99
View product
-20%
FloraMax Growth XS - All Sizes — Vegetative Growth Stimulant & Transplant Recovery Tonic
FloraMax Growth XS - 50ml — Veg Stimulant for Node Development & Transplant Recovery
FloraMax Growth XS - 250ml — Veg Stimulant for Node Development & Transplant Recovery

FloraMax

FloraMax Growth-XS

Accelerate vegetative growth with precision-engineered organic extracts cleanly and consistently.

Size
From $35.99
$44.99 From $35.99
View product
-5%
CANNA Classic Vega A + B - 1L — Two-Part Veg Nutrient for Run-to-Waste Hydroponic Systems
CANNA Classic Vega A + B - 5L — Two-Part Veg Nutrient for Run-to-Waste Hydroponic Systems
CANNA Classic Vega A + B - 10L — Two-Part Veg Nutrient for Run-to-Waste Hydroponic Systems

CANNA

CANNA Classic Vega A+B

Drive strong vegetative growth with a balanced, easy-to-use two-part nutrient solution.

Size
From $61.74
$64.99 From $61.74
View product
-5%
H&G Soil A+B - 1L — Two-Part Base Nutrient for Soil & Rich Soil Blends
H&G Soil A+B - 5L — Two-Part Base Nutrient for Soil & Rich Soil Blends

House and Garden

H&G Soil A+B

Maximise soil-grown plant performance with a nutrient tailored to the medium’s needs.

Size
From $47.49
$49.99 From $47.49
View product
-15% Back-Order
Bio Diesel Bio-One - All Sizes — Organic Microbial Inoculant for Living Root-Zone Biology
Bio Diesel Bio-One - 250mL — Organic Microbial Inoculant for Living Root-Zone Biology
Bio Diesel Bio-One - 1L — Organic Microbial Inoculant for Living Root-Zone Biology
Bio Diesel Bio-One - 5L — Organic Microbial Inoculant for Living Root-Zone Biology
Bio Diesel Bio-One - 20L — Organic Microbial Inoculant for Living Root-Zone Biology

Bio Diesel Nutrients

Bio Diesel Bio-One

A living root zone, packed with the biology your plants crave.

Size
From $42.49
$49.99 From $42.49
View product
-5%
H&G Top Booster - 250mL — PK + Iron Bloom Stimulator for Flower Set & Density
H&G Top Booster - 500mL — PK + Iron Bloom Stimulator for Flower Set & Density
H&G Top Booster - 1L — PK + Iron Bloom Stimulator for Flower Set & Density
H&G Top Booster - 5L — PK + Iron Bloom Stimulator for Flower Set & Density
H&G Top Booster - 20L — PK + Iron Bloom Stimulator for Flower Set & Density

House and Garden

H&G Top Booster

Give your plants the push they need for exceptional flowering performance.

Size
From $18.99
$19.99 From $18.99
View product
-5%
CANNA Terra Vega - 1L — Single-Part Veg Nutrient for Soil & Potting Mix Cultivation
CANNA Terra Vega - 5L — Single-Part Veg Nutrient for Soil & Potting Mix Cultivation
CANNA Terra Vega - 10L — Single-Part Veg Nutrient for Soil & Potting Mix Cultivation

CANNA

CANNA Terra Vega

Achieve lush, vigorous growth with a soil-focused, ready-to-use vegetative nutrient.

Size
From $47.49
$49.99 From $47.49
View product
-10%
Dr Greenthumbs Bud Bloom - 1.5kg — Organic Granular Bloom Booster with Kelp Guano & Neem Meal

Dr Greenthumbs

Dr Greenthumbs Bud & Bloom

A versatile enhancer that boosts blooms, enriches soil, and adapts to your growing style.

Size
$26.99
$29.99 $26.99
View product
-5%
H&G Amino Treatment - 100mL — Plant Amino Acid Bio-Stimulant for Veg & Bloom
H&G Amino Treatment - 250mL — Plant Amino Acid Bio-Stimulant for Veg & Bloom
H&G Amino Treatment - 1L — Plant Amino Acid Bio-Stimulant for Veg & Bloom
H&G Amino Treatment - 500mL — Plant Amino Acid Bio-Stimulant for Veg & Bloom
H&G Amino Treatment - 5L — Plant Amino Acid Bio-Stimulant for Veg & Bloom
H&G Amino Treatment - 20L — Plant Amino Acid Bio-Stimulant for Veg & Bloom

House and Garden

H&G Amino Treatment

Boost plant health from root to tip with an advanced seed-extract formula for stronger, more productive crops.

Size
From $52.24
$54.99 From $52.24
View product
-5%
H&G Magic Green - 500mL — Foliar Spray for Veg & Early-Bloom Revitalisation
H&G Magic Green - 1L — Foliar Spray for Veg & Early-Bloom Revitalisation

House and Garden

H&G Magic Green

Give your plants a quick, targeted nutrient boost for stronger starts and healthier growth.

Size
From $52.24
$54.99 From $52.24
View product
-5%
CANNA Terra Flores - 1L — Single-Part Bloom Nutrient for Soil & Potting Mix Cultivation
CANNA Terra Flores - 5L — Single-Part Bloom Nutrient for Soil & Potting Mix Cultivation

CANNA

CANNA Terra Flores

Deliver essential nutrients for vibrant, high-quality blooms in soil-grown plants.

Size
From $47.49
$49.99 From $47.49
View product
-15%
Bio Diesel Rhino K - All Sizes — Concentrated Potassium Boost for Late-Flower Density
Bio Diesel Rhino K - 1L — Concentrated Potassium Boost for Late-Flower Density
Bio Diesel Rhino K - 5L — Concentrated Potassium Boost for Late-Flower Density
Bio Diesel Rhino K - 20L — Concentrated Potassium Boost for Late-Flower Density

Bio Diesel Nutrients

Bio Diesel Rhino K

Unlock your crop’s peak performance during the final flowering push.

Size
From $21.24
$24.99 From $21.24
View product
-5%
H&G Top Shooter - 100mL — Liquid Late-Flower PK Booster (3-Week Bloom Finisher)
H&G Top Shooter - 250mL — Liquid Late-Flower PK Booster (3-Week Bloom Finisher)
H&G Top Shooter - 500mL — Liquid Late-Flower PK Booster (3-Week Bloom Finisher)
H&G Top Shooter - 1L — Liquid Late-Flower PK Booster (3-Week Bloom Finisher)
H&G Top Shooter - 5L — Liquid Late-Flower PK Booster (3-Week Bloom Finisher)

House and Garden

H&G Top Shooter

Push your plants beyond their normal limits with a clean, precision‑timed flowering surge.

Size
From $61.74
$64.99 From $61.74
View product
-10% Back-Order
Xtreme Gardening AZOS - All Sizes — Azospirillum Brasilense Nitrogen-Fixing Bacterial Inoculant
Xtreme Gardening AZOS - 170g — Azospirillum Brasilense Nitrogen-Fixing Bacterial Inoculant
Xtreme Gardening AZOS - 50g — Azospirillum Brasilense Nitrogen-Fixing Bacterial Inoculant

Xtreme Gardening

Xtreme Gardening Azos

Offers naturally fixed nitrogen and stronger roots for healthier, more vigorous plants from the start.

Size
From $40.49
$44.99 From $40.49
View product
Sold out
Aptus Bloomboost - 100ml
Aptus Bloomboost 250ml
Aptus Bloomboost 500ml
Aptus Bloomboost 1L
Aptus Bloomboost 5L
Aptus Bloomboost 20L

Aptus

Aptus Bloomboost

A fully organic bio-stimulant that optimises your plants' genetic expression!

Size
From $53.99
$59.99 From $53.99
View product
Sold out
Aptus Startboost - 100ml
Aptus Startboost 250ml
Aptus Startboost 500ml
Aptus Startboost 1L
Aptus Startboost 5L
Aptus Startboost 20L

Aptus

Aptus Startboost

Organic nitrogen and humic acid that gets roots moving from day one!

Size
From $44.99
$49.99 From $44.99
View product
Sold out
Aptus Fasilitor - 100ml
Aptus Fasilitor 250ml
Aptus Fasilitor 500ml
Aptus Fasilitor 5L
Aptus Fasilitor 20L

Aptus

Aptus Fasilitor

Silica your plants can use the moment it hits the water!

Size
From $62.99
$69.99 From $62.99
View product
Sold out
Aptus Massboost - 250ml
Aptus Massboost 500ml
Aptus Massboost 1L
Aptus Massboost 5L
Aptus Massboost 20L

Aptus

Aptus Massboost

Stop cal-mag deficiencies and firm up the flowers at the same time!

Size
From $76.49
$84.99 From $76.49
View product
Sold out
Aptus Ecozen - 250ml
Aptus Ecozen 500ml
Aptus Ecozen 1L
Aptus Ecozen 5L
Aptus Ecozen 20L

Aptus

Aptus Ecozen

Turns built-up salt back into food and keeps your roots clean!

Size
From $62.99
$69.99 From $62.99
View product
Sold out
Aptus Peakboost - 100ml
Aptus Peakboost 250ml
Aptus Peakboost 500ml
Aptus Peakboost 1L
Aptus Peakboost 5L
Aptus Peakboost 20L

Aptus

Aptus Peakboost

A potassium free phosphorus booster for shooting and setting flowers!

Size
From $26.99
$29.99 From $26.99
View product
Sold out
Aptus System Clean - 500ml
Aptus System Clean 1L
Aptus System Clean 5L
Aptus System Clean 20L

Aptus

Aptus System Clean

Get more oxygen to the roots with every feed!

Size
From $26.99
$29.99 From $26.99
View product
Sold out
Aptus Breakout Powder - 100g
Aptus Breakout Powder 1kg

Aptus

Aptus Breakout Powder

An ultra-clean, pH stable PK booster that sets and bulks your flowers!

Size
From $22.49
$24.99 From $22.49
View product
Sold out
Aptus Mineral-Calmag 1L
Aptus Mineral-Calmag 5L
Aptus Mineral-Calmag 20L

Aptus

Aptus Mineral-Calmag

Ultra-clean calcium and magnesium your plants can take up straight away!

Size
From $58.49
$64.99 From $58.49
View product
Sold out
Aptus Baseboost - 1kg

Aptus

Aptus Baseboost

Mix it in once and feed with nothing but water for months!

Size
From $71.99
$79.99 From $71.99
View product
Sold out
Aptus Finaleboost - 250ml
Aptus FinaleBoost 500ml
Aptus FinaleBoost 5L
Aptus FinaleBoost 20L

Aptus

Aptus Finaleboost

Give late flower the potassium it wants, without the phosphorus it doesn't!

Size
From $53.99
$59.99 From $53.99
View product
Sold out
Aptus Base 1L
Aptus Base 5L
Aptus Base 20L

Aptus

Aptus Base

The only NPK you need from first leaves right through to harvest!

Size
From $89.99
$99.99 From $89.99
View product
-5%
CANNA CalMag Agent - 1L — Cal-Mag Additive to Stabilise Soft Water for Hydroponic Nutrient Mixes
CANNA CalMag Agent - 5L — Cal-Mag Additive to Stabilise Soft Water for Hydroponic Nutrient Mixes

CANNA

CANNA Calmag Agent

Optimise soft or RO water for healthier, more resilient plants.

Size
From $66.49
$69.99 From $66.49
View product
-10% Back-Order
Xtreme Gardening MYKOS WP - 340g — Water-Soluble Mycorrhizal Inoculant for Hydro & Hand-Watering
Xtreme Gardening MYKOS WP - 6.8kg — Water-Soluble Mycorrhizal Inoculant for Hydro & Hand-Watering

Xtreme Gardening

Xtreme Gardening Mykos WP

Rapid root‑zone colonisation for stronger, healthier plants in any growing setup.

Size
From $53.99
$59.99 From $53.99
View product
Sold out
Aptus Soil Starter Kit

Aptus

Aptus Soil Starter Kit

Everything the Aptus Soil BASIC programme feeds, in one box!

$179.99
$199.99 $179.99
View product
Sold out
Aptus Hydro Starter Kit

Aptus

Aptus Hydro Starter Kit

Everything the Aptus Premium Programme doses, in one box, from first feed to final flush!

$440.99
$489.99 $440.99
View product
-10%
Green Planet Horti Late Bloom - 2.3kg — 0-24-26 Dry Final-Flower Fertiliser for Last Two Weeks

Green Planet

Green Planet Horti Late Bloom

A powerful finisher that boosts weight, resin, and quality in the final bloom weeks.

Size
$53.99
$59.99 $53.99
View product
-10%
Green Planet Horti Grow - 2.3kg — 8-11-21 Dry Veg Base Fertiliser with Micronutrients

Green Planet

Green Planet Horti Grow

A clean, dependable base feed designed to drive lush growth and prepare plants for success.

Size
$53.99
$59.99 $53.99
View product
-15% Back-Order
Bio Diesel Rhino PK - 1kg — 4-in-1 Bloom Booster Powder with PK Carbs Aminos & Trace Elements

Bio Diesel Nutrients

Bio Diesel Rhino PK

Unlock maximum bloom potential with precision and power.

Size
From $67.99
$79.99 From $67.99
View product
-5% Back-Order
H&G Roots Excelurator Silver - 500mL — Hydro-Safe Premium Root Stimulator & Disease Protector

House and Garden

H&G Roots Excelurator Silver

Build the foundation for strong, high-yielding plants with a proven root stimulator.

Size
$251.74
$264.99 $251.74
View product
-20% Back-Order
FloraMax Veg-1 Starter Kit — Complete Seed-to-Harvest Nutrient Bundle for Hydro Coco & Soil

FloraMax

FloraMax Starter Kit Veg-1

Get a crop-ready system in one purchase: clean, effective, and powerful from start to finish.

Size
$183.99
$229.99 $183.99
View product
-5% Back-Order
CANNA Aqua Flores A + B - 1L — Two-Part Bloom Nutrient for Recirculating NFT & Ebb-Flow Hydro
CANNA Aqua Flores A + B - 5L — Two-Part Bloom Nutrient for Recirculating NFT & Ebb-Flow Hydro

CANNA

CANNA Aqua Flores A+B

Boost your crop’s flowering potential with balanced, bloom-focused nutrition.

Size
From $61.74
$64.99 From $61.74
View product
-5% Back-Order
CANNA Aqua Vega A + B - 1L — Two-Part Veg Nutrient for Recirculating NFT & DWC Hydroponics
CANNA Aqua Vega A + B - 5L — Two-Part Veg Nutrient for Recirculating NFT & DWC Hydroponics

CANNA

CANNA Aqua Vega A+B

Supports explosive vegetative growth with consistent nutrient delivery and minimal fuss.

Size
From $61.74
$64.99 From $61.74
View product
-15% Back-Order
Bio Diesel Nutrients Starter Kit — Complete Seed-to-Harvest Organic Nutrient & Additive Bundle

Bio Diesel Nutrients

Bio Diesel Starter Kit

Complete, clean, and coordinated, everything your plants need from start to finish.

Size
$233.74
$274.99 $233.74
View product
-5%
H&G pH+ Stabil Osmose - 1L — pH+ Stabiliser for Reverse Osmosis & Soft Water Systems

House and Garden

H&G pH+ Stabil/Osmose

Achieve stable, reliable pH control for healthier, more productive plants.

Size
$47.49
$49.99 $47.49
View product
-5%
H&G Roots Excelurator - 100mL — Premium Root Stimulator & Disease Protector
H&G Roots Excelurator - 250mL — Premium Root Stimulator & Disease Protector
H&G Roots Excelurator - 500mL — Premium Root Stimulator & Disease Protector
H&G Roots Excelurator - 1L — Premium Root Stimulator & Disease Protector
H&G Roots Excelurator - 5L — Premium Root Stimulator & Disease Protector

House and Garden

H&G Roots Excelurator

 
Size
From $61.74
$64.99 From $61.74
View product
-5%
CANNA Rhizotonic - 250mL — Algae-Based Root Stimulant for Seedlings Cuttings & Stressed Plants
CANNA Rhizotonic - 1L — Algae-Based Root Stimulant for Seedlings Cuttings & Stressed Plants
CANNA Rhizotonic - 5L — Algae-Based Root Stimulant for Seedlings Cuttings & Stressed Plants

CANNA

CANNA Rhizotonic

Support strong, healthy roots for resilient and thriving plants.

Size
From $52.24
$54.99 From $52.24
View product
-10%
Dr Greenthumbs Go Grow - 1.5kg — Organic Granular Veg Blend for Foliage Roots & Soil Life

Dr Greenthumbs

Dr Greenthumbs Go & Grow

A complete organic solution for robust greenery and healthy soil biology.

Size
$26.99
$29.99 $26.99
View product
-5% Back-Order
H&G MgO 8% - 1L — Concentrated Magnesium Supplement for Chlorophyll & Deficiency Correction

House and Garden

H&G MgO 8%

Maintain vibrant foliage and optimal plant health with a fast-acting magnesium boost.

Size
$47.49
$49.99 $47.49
View product