Keep your grass, fruit, vegetables, flowers, trees and shrubs healthy and strong with Pro-Kleen’s Organic Liquid Seaweed Fertiliser. This potent fertiliser is enriched with essential nutrients and minerals so that your plants can grow stronger and healthier than ever.

Pro-Kleen's Liquid Seaweed Fertilizer provides all the essential nutrients for your plants, vegetables, and grass to thrive. Our specialized formula promotes rapid, robust growth, ensuring your crops remain in optimal condition.

Unlike other fertilisers, Pro-Kleen’s contains 100% natural and organic seaweed. Seaweed is a super ingredient when it comes to plant health as it enhances stress tolerance, nutrient uptake, growth, root systems, flowering and has been shown to reduce seed dormancy. Fertilisers derived from seaweed encompass polysaccharides, proteins, and fatty acids. These components enhance both moisture and nutrient retention, helping plants to grow stronger and healthier.

Our Seaweed Fertiliser is made from a large, common, cold-water seaweed called Ascophyllum Nodosum (also known as Knotted Wrack, Egg Wrack, Feamainn Bhuí, Rockweed, Knotted Kelp or Norwegian Kelp). It’s farmed sustainably and harvested off UK Northern shores in Scotland and Northern Ireland. When harvesting, we leave the bottom 2 feet of the kelp so that it can regrow and we never dredge to collect.

Our formula has been enriched with Amino acids, trace elements, trace minerals and iron. This will provide your grass, vegetation, flowers and more with everything they need to grow as healthy as possible. Amino acids help regulate root and flower development, as well as stimulating growth. Trace elements and minerals encourage growth and help to keep plants healthy and strong. Iron facilitates the transportation of oxygen within the plant, aiding its movement through the roots, leaves, and various other parts of the plant. All of these lead to outstanding results, making your plants thrive!

This garden fertilizer is suitable for use on grass, soil, fruit, vegetables, flowers, shrubs, lawns & trees.

A 10-litre bottle can provide up to 1000 treatments! It’s a super easy-to-use formula to make sure your plants look and grow better than ever.

Apply using a pressure sprayer or watering can.

Shake before use.

Mix the solution with cold water according to the specified concentration rate.

Apply to the leaves and stems of plants using either a garden sprayer or watering can throughout the growing season.

During hot weather, increase the frequency of application, but use the solution at half strength.  

Fruit & Vegetables: 10ml per 5L every 7 days

Flowers & Shrubs: 15ml per 5L every 7 days

Lawns (Treats 15m2 ): 10ml per 5L every 28 days

Trees: 25ml per 5L every 7 days