

Potassium Sulphate (K2SO4)
$4.00 - 100g
Boost your planted aquarium with Potassium Sulphate (K2SO4) – the essential fertiliser for healthy, vibrant aquatic plants. Prevents deficiencies, promotes growth, and controls algae.
Quantity | Price | Discount |
---|---|---|
1-4 | $4.00 | 0% |
5-9 | $3.80 | 5% |
10+ | $3.60 | 10% |
10 in stock
Potassium Sulphate (K2SO4) – Premium Aquarium Fertiliser
Elevate your planted aquarium with Potassium Sulphate (K2SO4), a high-quality fertiliser designed to provide essential potassium for lush, healthy plant growth. Potassium is a critical nutrient that supports photosynthesis, enzyme activation, and overall plant health, ensuring your aquatic plants thrive in a vibrant and balanced environment.
Key Benefits:
- Boosts Plant Growth: Potassium is essential for plant metabolism, helping your aquatic plants grow strong, healthy, and vibrant.
- Prevents Deficiencies: Say goodbye to yellowing leaves and stunted growth—K2SO4 ensures your plants get the potassium they need.
- Enhances Plant Resilience: Promotes robust root systems and overall plant vitality, making your aquarium plants more resistant to stress.
- Algae Control: By supporting healthy plant growth, K2SO4 helps outcompete algae for nutrients, reducing the likelihood of algae outbreaks.
How to Use:
- Dosage: Dissolve the recommended amount of Potassium Sulphate (K2SO4) into your aquarium water based on your tank size and plant needs.
- Frequency: Use regularly to maintain optimal potassium levels in your tank.
- Pairing: For best results, combine with other fertilisers to create a balanced nutrient profile for your plants.
Ideal For:
- Freshwater planted aquariums
- Aquascaping setups
- Tanks with high nutrient demands
- Aquarists looking to prevent potassium deficiencies
Why Choose Our Potassium Sulphate (K2SO4)?
Our Potassium Sulphate (K2SO4) is a pure, high-quality fertiliser that dissolves easily in water, ensuring your plants receive the nutrients they need without clouding your tank. It’s a must-have for any planted aquarium enthusiast looking to achieve lush, vibrant growth and maintain a healthy aquatic ecosystem.
Order Now and Give Your Plants the Boost They Deserve!



The shipping prices are determined by Australia Post, and we do not make any profit from postage fees. Any variation in price is solely due to packaging. Our aim is to offer you the most competitive rates for shipping your orders. At Green Aquarium, we strive to provide you with the best shipping options for your aquatic plants, fertilisers, shrimp, and fish. Please review the following information regarding our shipping and delivery services:
Shipping Options:
- Express Post: Recommended for purchasing plants, shrimp, and fish. Plants will be carefully packed in a small express post box, secured in a plastic bag with a small amount of water, and wrapped in bubble wrap for added protection.
- Styrofoam Box Express: Specifically for shipping live shrimp and fish. We use a sturdy Styrofoam box and send it via express post to ensure the safety and well-being of your aquatic pets during transit.
- Registered Post for Fertilisers: Suitable for shipping fertilisers. Your order will be sent via registered post, providing a secure and reliable delivery option.
- Express Post for Fertilisers: If you prefer faster delivery for your fertilisers, we offer express post services.
Please Note: The prices for shipping are set by Australia Post, and we do not make any profit from postage fees. Any difference in price would be due to packaging. We strive to provide you with the best available rates for shipping your orders.
Shipping within Australia: We currently offer shipping services within Australia only. We apologise for any inconvenience caused and appreciate your understanding.
Local Delivery: If you're in the vicinity or would like to avoid shipping fees, we invite you to select the local delivery option at checkout. Before placing your order, please contact us via email, SMS, or phone call to confirm if this option is available for your area. Additionally, reach out to us to schedule a specific time and date for the delivery. Opting for local delivery is an excellent way to reduce shipping expenses.
Pick-Up Option: If you're located nearby or prefer to save on shipping costs, we welcome you to choose the pick-up option during the checkout process. Our address for pick-up will be provided upon completion of your order. Opting for pick-up is a great way to save on shipping expenses.
Shipping Address Requirements: Please note that we do not ship to PO Boxes. Kindly provide a valid residential or commercial address during the checkout process to ensure successful delivery.
If you have any questions or require further assistance regarding our shipping and delivery services, please don't hesitate to contact our customer support team. We are here to help you with any queries you may have.
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