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RARE & EXOTIC PLANTS

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PREMIUM QUALITY

Only the best for your grow

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Nutrients & Additives

Give your plants the fuel they need to thrive.

Browse our complete range of plant nutrients and additives, formulated for both soil-based and hydroponic systems. From base nutrients and bloom boosters to root stimulants, foliar sprays, and microbial inoculants, we’ve got every stage of plant growth covered.

💧 Suitable for all growing media
🌿 Backed by real-world experience & expert advice
🧪 Trusted brands, proven results, great value

Grow smarter with high-performance nutrients and additives from Hydro Oasis, no matter how you grow.

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Hydro Oasis Nutrients & Additives Mascots
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Reiziger Coco Food A+B 1L
Reiziger Coco Food A+B 5L
Reiziger Coco Food A+B 20L

Reiziger

Reiziger Coco A+B

Dutch two-part nutrition made for coco, from cutting to final ripening!

Size
From $35.99
$39.99 From $35.99
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Reiziger Bud Booster - 300 ml
Reiziger Bud Booster - 1 L
Reiziger Bud Booster - 5 L
Reiziger Bud Booster - 10 L

Reiziger

Reiziger Bud Booster

Push your crop into bloom faster for heavier, denser flowers!

Size
From $44.99
$49.99 From $44.99
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-10%
Reiziger Bloom Minerals - 300 ml
Reiziger Bloom Minerals - 1 L
Reiziger Bloom Minerals - 5 L
Reiziger Bloom Minerals - 10 L

Reiziger

Reiziger Bloom Minerals

Fill out the final weeks of flower with clean phosphorus and potassium!

Size
From $24.75
$27.50 From $24.75
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-10%
Reiziger Root Booster - 300 ml
Reiziger Root Booster - 1 L
Reiziger Root Booster - 5 L
Reiziger Root Booster - 10 L

Reiziger

Reiziger Root Booster

Get roots moving fast and bring stressed plants back to life!

Size
From $35.99
$39.99 From $35.99
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-10%
Reiziger Grow Booster 300ml
Reiziger Grow Booster 1L
Reiziger Grow Booster 2L
Reiziger Grow Booster 5L
Reiziger Grow Booster 10L

Reiziger

Reiziger Grow Booster

Bring back the vigour and lushness, from sturdy stems to full flowers!

Size
From $26.99
$29.99 From $26.99
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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
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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
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-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
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-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
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-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
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-25%
Bio Diesel Marine CaMg+ - All Sizes — Marine-Derived Cal-Mag Supplement for Deficiency Correction
Bio Diesel Marine CaMg+ - 250mL — Marine-Derived Cal-Mag Supplement for Deficiency Correction
Bio Diesel Marine CaMg+ - 1L — Marine-Derived Cal-Mag Supplement for Deficiency Correction
Bio Diesel Marine CaMg+ - 5L — Marine-Derived Cal-Mag Supplement for Deficiency Correction
Bio Diesel Marine CaMg+ - 20L — Marine-Derived Cal-Mag Supplement for Deficiency Correction

Bio Diesel Nutrients

Bio Diesel Marine CaMg+

Activate fast-growing, robust crops with nature’s most effective mineral system.

Size
From $18.74
$24.99 From $18.74
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-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
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-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
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-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
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-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
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-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
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-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
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-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
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-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
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-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
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-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
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-5%
H&G Drip Clean - 1L — Irrigation System Cleaner for Drippers & Nutrient Lines

House and Garden

H&G Drip Clean

Maintain peak irrigation performance and plant health with continuous cleaning action.

Size
From $33.24
$34.99 From $33.24
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-5% Back-Order
W2G Probiotics 300g — Multi-Species Mycorrhizae Trichoderma & Bacteria Root-Zone Inoculant

W2G

Probiotics

A concentrated blend of fungi and bacteria that builds a living root environment for healthier, more resilient plants.

Size
$61.74
$64.99 $61.74
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