Hydroponic Growing Mediums & Substrates

Welcome to BNJ Gardens, your local horticulture and gardening equipment supplier in the UK. We offer a wide range of hydroponic growing mediums and substrates for all your plant needs in the UK. Whether you’re into hydroponics or traditional gardening, our selection of grow media is sure to meet your requirements. Choose from options like Jiffy Pellets, Rockwool, Clay Pebbles, Coco, or Organic Soils. We stock all major manufacturers, including Grodan, Mills, Tropic, and Gold Label. Trust us for the best hydroponic growing media for plants and expert advice. Find the perfect growing medium for your hydroponics setup with BNJ Gardens.

Horticulture Growing Media

We stock a large variety of Pots and Trays for Horticultures:

    • Jiffy Pellets
    • Rockwool / Grodan
    • Clay Pebbles
    • Coco
    • Organic Soils
    • Rockwool

All major manufacturers In stock

If we don’t hold it then we can get it:

    • Grodan
    • Mills
    • Tropic
    • Gold Label
    • and many more…

What is a Growing Medium?

A growing medium is the material that supports the roots of your plants and provides them with water, nutrients, and oxygen. In traditional gardening, the growing medium is usually soil, but in hydroponics, you can utilise inert or organic materials with varying qualities and advantages. 

Why Hydroponic Growing Medium?

The hydroponic growing medium is essential to hydroponics systems because it provides a suitable environment for plant development. Here are some reasons why hydroponic growing mediums are necessary:

Nutrient Availability: Hydroponic grow media guarantee that plants get access to essential nutrients. These mediums can hold and discharge nutrients, permitting plants to take them up as required.

Oxygenation: Hydroponics growing media give oxygen to the plant roots, which is necessary for their breath and well-being. Supportive oxygenation makes a difference, anticipates root diseases, and supports ideal development.

Water Retention: Hydroponics growing mediums can retain water, ensuring a consistent supply for plant hydration. It helps maintain a balanced moisture level within the root zone.

Root Support: Growing media in hydroponics systems offers support for plant roots, keeping them stable and anchored. This bolster permits plants to develop upright and retain nutrients effectively.

Customisation: Hydroponic growing mediums come in various types, such as foam, gravel, perlite, Rockwool, coco coir, and more. It permits the producer to choose the medium that best suits their specific plants and growing conditions.

Common Hydroponic Growing Mediums

Some of the most common hydroponic growing mediums are:

Jiffy Pellets: These are compressed peat moss pellets that expand when soaked in water. They are perfect for seed germination and cloning because they give a humid and sterile environment, especially to the roots, and they are simple to use and biodegradable.

Rockwool: This is a fibrous material made from molten rock that is spun into thin strands. It encompasses a high water retention capacity and aeration, making it appropriate for most hydroponic systems. It is also sterile and pH-neutral but it can irritate the skin and lungs if not handled with care is needed.

Clay Pebbles: These are small balls of clay that are fired at high temperatures to make them porous and lightweight. They have a low water maintenance capacity and high aeration, making them perfect for surge, deplete, or dribble systems. They are also reusable and pH stable, but they may need to be rinsed before use to remove dust and debris.

Coco: This is a natural material made from the husks of coconuts. It has a high water retention capacity and air circulation. It is similar to soil but with better drainage and less compaction. It is also organic and renewable. Moreover, it may contain salts that should flushed out before use.

Organic Soils: These are mixtures of organic matter, such as compost, worm castings, peat moss, perlite, vermiculite, or bark. They have a high water maintenance capacity and air circulation and are appropriate for natural hydroponics or soil-based systems. They are also rich in supplements and microorganisms. They may also contain bugs, infections, or weeds that should controlled.

How to Choose the Best Growing Medium for Hydroponics?

There are so many best hydroponic growing mediums for all plants and systems. The choice depends on various factors, such as:

The type of hydroponic system

Some systems, such as deep water culture or aeroponics, do not require any growing medium, as the roots are suspended in water or air. Other systems, such as ebb and flow or drip, require a growing medium that can hold water and drain well. Still others, such as the wick or nutrient film technique, require a growing medium that can wick water and provide aeration.

The type of plant

Some plants, such as lettuce or herbs, have shallow and fine roots that can grow well in any grow medium. Other plants, like tomatoes or peppers, have profound and thick roots that require more space and bolster. Still, others, such as orchids or cacti, have specialised roots that need specific growing conditions.

The personal preference

Some growers may prefer a growing medium that is easy to use, clean, and dispose of. Others may prefer a growing medium that is organic, sustainable, and reusable. Still others may prefer a growing medium that is cheap, available, and versatile.

The perfect way to discover the most excellent hydroponic growing medium for your plants and system is to test with diverse alternatives and see what works best for your garden. You can also consult with our experts for more direction and suggestions at BNJ Gardens.

Why Buy Hydroponic Growing Mediums from BNJ Gardens?

At BNJ Gardens, we are enthusiastic about horticulture and gardening, and we need to share our information and expertise with you.  We have been in the business for over 20 years, and we have a loyal customer base that trusts us for our quality products and services. When you buy hydroponic growing mediums from us, you can expect the following benefits:

A wide range of options

We have a variety of hydroponic growing mediums and substrates to suit your needs and inclinations. Whether you want Jiffy Pellets, Rockwool, Clay Pebbles, Coco, or Organic Soils, we have them all. We also have other hydroponic supplies, like nutrients, pH metres, pumps, lights, and more.

A competitive price

We offer our products at a fair and reasonable price that reflects their value and quality. We also have regular discounts and promotions that can help you save more. 

A friendly service

We are always cheerful to assist you with any questions or issues you have concerning hydroponics or cultivating. You can contact us by phone, e-mail, or chat, and we’ll respond to you soon. You will visit our blog or social media pages to gain more data and motivation.

Order Your Hydroponic Growing Mediums Today

If you are ready to start or improve your hydroponic gardening journey, then order your hydroponic growing mediums and substrates from BNJ Gardens today. Order online or visit our store today.