100% Water Soluble Potassium & Sulphur Plant Booster
Instructions for Use
Boost plant strength, fruit quality, and overall crop performance with our Potassium Sulphate (SOP) Fertilizer. This premium fertiliser provides a highly concentrated source of potassium combined with essential sulphur, supporting healthy plant metabolism, improved fruit development, and stronger resistance to environmental stress.
Perfect for gardeners and professional growers, this 100% water-soluble formula dissolves instantly for efficient nutrient uptake through fertigation, hydroponics, foliar spray, or soil application.
🚚 FREE SHIPPING ACROSS AUSTRALIA! Every order ships free to all Australian addresses – no minimum purchase required.
Key Features & Benefits
High Potassium Content
Our premium formula provides:
51% Potassium (K₂O) – Promotes strong stems, improved drought tolerance, enhanced fruit size, colour, flavour, and shelf life
18% Sulphur (S) (~56% SO4) – Supports protein synthesis, enzyme activity, and improves plant nutrient uptake
Mildly acidic material used to help adjust and balance alkaline soils.
Chloride-Free Formula – Safe for chloride-sensitive crops such as grapes, potatoes, berries, citrus, tomatoes, and many vegetables
100% Water-Soluble Formula
Dissolves completely with no residue, making it ideal for:
• Drip irrigation systems
• Hydroponic systems
• Foliar spraying
• Soil application
No clogging – just fast, efficient plant nutrition.
Perfect for Flowering, Fruiting & Crop Quality
Potassium plays a vital role in plant metabolism and yield quality:
• Improves fruit size, flavour, and colour
• Enhances sugar production and crop quality
• Strengthens plant stems and structure
• Increases tolerance to drought, heat, and disease
• Supports flower and fruit development
Ideal for Mid-to-Late Growth Stages
Best applied when plants begin flowering and fruiting, when potassium demand is highest. Suitable for:
• Fruit trees
• Vegetables
• Berries
• Flowers and ornamentals
• Hydroponic crops
• Greenhouse production
Pure, Clean Nutrient Source
Our premium SOP fertiliser is:
• Chloride-free
• Low in impurities
• Highly efficient for plant uptake
• Safe for sensitive crops and irrigation systems
Why Choose Our Potassium Sulphate Fertilizer?
✅ Improves fruit size, flavour & crop quality
✅ Strengthens plant resistance to stress and disease
✅ Provides essential potassium and sulphur nutrition
✅ Chloride-free formula ideal for sensitive plants
✅ Fully water-soluble for fast plant uptake
✅ Suitable for fertigation, hydroponics, foliar or soil use
✅ Professional-grade fertiliser used by commercial growers
✅ FREE Australia-wide shipping
Premium White Powder – Convenient size for home gardens and commercial growers
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