Better Nutrition. Better Growth.
CompleteGrow fuels your plants with powerful, targeted nutrition—indoors, outdoors, or hydroponically. Made by Aussie experts and loved by everyday growers, it’s clean, concentrated, and proven to work.
We let the plants do the talking.
Plant Food
Formula
Concentrate
& Hydro
250L of Plant Feed
Aussie Growers
Shop Best Sellers
Explore our most-loved formulas for stronger growth, greener leaves, better flowering, and healthier plants across every growing style.
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🌟40% OFF🌟 All Purpose Plant Liquid Fertiliser – Formulated from NPK 20-20-20 & Micro Nutrients
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Advanced Formula – Boost Flowering & Fruiting – NPK 4-18-38 + Calcium & Magnesium
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🍋NEW🍋🟩 Citrus Fertiliser – Lemon, Lime & Orange Tree – NPK 6-2-12 + Trace Elements
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Fertiliser Bundle Kits with Sprayer – Starter, Pro & Bulk Systems
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Hydroponic Nutrients Fertilizer – Two-Part Formula (A & B)
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Indoor Plant Food Concentrate Fertiliser 100ml Makes 100 Litres
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NPK 20-20-20 Powder Soluble Nutrient Plant Fertilizer & Micro Nutrients
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Cactus Succulent Plant Food Fertiliser Concentrate
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Premium Plant Nutrition. Professional Results.
Concentrated formulas designed to support stronger growth, healthier plants and productive harvests without complicated feeding routines.
Supports Full-Cycle Growth
Targeted nutrition for stronger roots, healthy foliage, flowering and productive harvests.
Professional-Grade Nutrients
Quality mineral nutrients selected for consistent, predictable feeding across different plant types.
Highly Concentrated Formula
More feeding power in every scoop, so each pack goes further with less product needed per feed.
Made for Every Growing Space
Options for indoor plants, garden beds, citrus, flowering crops and hydroponic systems.
Real Results from Real Growers
I’ve been trying to find a indoor liquid plant food that doesn’t have a bad odor and won’t burn my plants. @time__and__place
Complete Grow Indoor Plant Food showed up in my search as one of the best plant food and not only that it’s also Australian Made!
Incredible results with Complete Grow products! My plants are thriving like never before. Fantastic value for money.
Real Results. In Just 7 Days.
The same garden bed, photographed one week apart after feeding with CompleteGrow NPK 20-20-20.
Before feeding
Smaller plants, fewer leaves and less even growth.
After 7 days with CompleteGrow
Fuller growth, improved structure and greener foliage.
Why growers switch
CompleteGrow vs the Rest.
A clearer look at nutrition, versatility, consistency and value.
CompleteGrow
Premium Plant Nutrition
Typical Store Brands
Standard Plant Food
Inconsistent feedingBasic NPK onlyLeaves residue & clogsHit-or-miss results
Organic Manure Feed
Natural Soil Nutrition
Very slow availabilitySlow, mild growthBatch-to-batch varianceSee How Easy Feeding Can Be.
Prepare Your Sprayer
Open the sprayer bottle and get it ready for your fertiliser and water mix.
Add Fertiliser & Water
For the medium rate, add 250 mL fertiliser and 750 mL water to the 1 L sprayer bottle.
Connect & Feed
Attach the sprayer to your hose, select the correct setting and apply evenly around your plants.
- Quick View
- Select options This product has multiple variants. The options may be chosen on the product page
🌟40% OFF🌟 All Purpose Plant Liquid Fertiliser – Formulated from NPK 20-20-20 & Micro Nutrients
- Quick View
- Select options This product has multiple variants. The options may be chosen on the product page
Advanced Formula – Boost Flowering & Fruiting – NPK 4-18-38 + Calcium & Magnesium
- Quick View
- Select options This product has multiple variants. The options may be chosen on the product page
NPK 20-20-20 Powder Soluble Nutrient Plant Fertilizer & Micro Nutrients
- Quick View
- Select options This product has multiple variants. The options may be chosen on the product page
🍋NEW🍋🟩 Citrus Fertiliser – Lemon, Lime & Orange Tree – NPK 6-2-12 + Trace Elements
- Quick View
- Select options This product has multiple variants. The options may be chosen on the product page
Indoor Plant Food Concentrate Fertiliser 100ml Makes 100 Litres
- Quick View
- Select options This product has multiple variants. The options may be chosen on the product page
Cactus Succulent Plant Food Fertiliser Concentrate
- Quick View
- Select options This product has multiple variants. The options may be chosen on the product page
Hydroponic Nutrients Fertilizer – Two-Part Formula (A & B)
Let Your Plants Do the Talking
Real results show up in your garden: stronger growth, deeper greens, and plants that don’t just get by. They thrive.
Video credit: @timeandplace
