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Hydroponic Grow Media

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Hydroponic Grow Media

Hydroponic Grow Media

If you are not too familiar with hydroponics, you may be under the impression that it involves growing entirely in water. However, the reality is that sometimes you need to use grow media for a hydroponics system too. The reason is, it is needed to anchor the roots so that the plant can be supported in place. When you are growing outdoors traditionally in pots, garden soil is the most common choice. For hydroponic systems, you need a specific growing medium.  

What is a hydroponic grow medium? 

The term ‘hydroponic grow medium’ refers to an inert material that is used to anchor your hydroponic plants in their place. Since it is inert, it does not provide any minerals or nutrients to your plants. It is possible to make your own hydroponic grow medium, but there are several great options available in the market, including: 

Coco coir  

Clay pebbles and growstones 

Rockwool 

Hydroponic foam 

The best hydroponics growing medium  

The right growing medium for you depends on your specific requirements, and each of them has its pros and cons. Here are some brief details about each of them: 

Coco Coir 

Coco coir is derived from coconut husk and is 100% organic. It boasts of exceptional drainage abilities and water retention qualities. You can find it in various consistencies and utilize its superior germination capabilities to start your clones and seedlings.  

There’s another great thing about this hydroponic grow medium – it is entirely renewable. Since coconut husk does not have any other use, when you use it as a hydroponic grow medium, you are actually playing your part in environment conservation – which is a win-win situation! 

Clay pebbles and grow stones 

Clay pebbles and grow stones are 100% inert and also pH neutral. You can use them again and again for different grow cycles, and are sure to find them extremely sustainable. Manufactured from recycled glass that has been made smooth through sanding, these lightweight grow stones, and clay pebbles are a popular choice for a good reason.  

Check out our detailed guide on clay pebbles and grow stones to learn more! 

Rockwool 

Rockwool is created by melting rocks, which are then spun into fibers. This is a favorite choice for many growers because it offers excellent aeration and water retention. Its unique composition allows it to avoid getting degraded or broken down, which may be a problem when you want to get rid of it by disposing of it naturally.  

Rockwool is a preferred choice for many growers but if you opt for this option, make sure you remember to balance their pH using a pH adjuster. The rockwool cubes may have high pH.  

Hydroponic Foam and Oasis Cubes 

Oasis cubes, also called hydroponic foam, is another great choice for a hydroponic medium. Made from polyurethane, it is resistant to algae, porous, and does not alter your hydroponic system's pH.  

The good thing about this option is that it does not cost you much. There is also no need to presoak the cubes. However, one thing that some growers may not like about oasis cubes is that they are not sustainable or organic.  

Buy the best hydroponics grow medium at Groindoor.com 

If you need help with choosing the right hydroponic grow medium, the experts at Groindoor.com can help you. Reach out to our experts at 866-GRO-INDR or read our guide on the complete range of hydroponic media in our learning center 

 

 

 

 

 

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  • Nectar For The Gods #8 Potting Soil Mix, 1.5 cu. ft. - Pallet of 60 Bags

    Nectar For The Gods #8 Potting Soil Mix, 1.5 cu. ft. - Pallet of 60 Bags

    Nectar for the Gods

    $1,343.40
    Nectar for the Gods Potting Soil Blend 8, 1.5 cfBlend #8A variation on Nectar’s #4 potting mix, this blend has the same ingredients, with 50% perlite for increased drainage. Suitable for daily feeding. Mixed in small batches. Coir fiber is rinsed on-site...
    $1,343.40
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  • Nectar For The Gods #4 Potting Soil Mix, 1.5 cu. ft.- Pallet of 60 Bags

    Nectar For The Gods #4 Potting Soil Mix, 1.5 cu. ft.- Pallet of 60 Bags

    Nectar for the Gods

    MSRP: $932.50
    $20.14
    Nectar for the Gods Potting Soil Blend 4, 1.5 cfBlend #4Nectar’s most popular blend. A general potting mix designed for indoor and outdoor use. Suitable for multiple feedings per week. Mixed in small batches. Contains no bark or fillers. Coir fiber is...
    MSRP: $932.50
    $20.14
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    $20.14
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  • Nectar For The Gods #2 Soilless Potting Mix, 1.5 cu. ft. - Pallet of 65 Bags

    Nectar For The Gods #2 Soilless Potting Mix, 1.5 cu. ft. - Pallet of 65 Bags

    Nectar for the Gods

    MSRP: $1,119.69
    $22.08
    Nectar for the Gods Potting Soil Blend 2, 1.5 cfBlend #2Nectar’s soilless medium, suitable for hydroponic use and daily Nectar feedings. Mixed in small batches. Coir fiber is rinsed on-site with Oregon rainwater and buffered with limestone to reduce...
    MSRP: $1,119.69
    $22.08
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    MSRP: $1,119.69
    $22.08
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  • Char Coir 100% RHP Certified Coco Coir, 50 Liter - Pallet of 85 Bags

    Char Coir 100% RHP Certified Coco Coir, 50 Liter - Pallet of 85 Bags

    Char Coir

    $2,665.60
    Char Coir100% RHP Certified Coco Coir, 50L Char Coir loose coco coir is a professional grade growing medium made from 100% coconut fiber.  Char Coir brand coco coir has received RHP certification from Holland. This assures our customers that it is...
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  • Geolite Clay Pebbles Grow Media, 45 Liter Bag - Pallet of 60 Bags

    Geolite Clay Pebbles Grow Media, 45 Liter Bag - Pallet of 60 Bags

    GEOLITE

    $2,276.40
    Made from 100% natural clay, GEOLITE Clay Pebbles are clean, pH stable and offer great aeration and drainage. Due to their unique structure and large surface area, GEOLITE Clay Pebbles offer the ideal environment to foster root development. Perfect for...
    $2,276.40
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  • GROW!T Clay Pebbles 4mm-16mm, 40 Liters - Pallet of 65 Bags

    GROW!T Clay Pebbles 4mm-16mm, 40 Liters - Pallet of 65 Bags

    GROWIT

    $2,131.35
    GROWIT Clay Pebbles 40L are one of the best ways to start your hydroponic grow. This 100% natural, inert clay media is clean, pH stable, and provides superior aeration and drainage, which is essential for those growing hydroponically, but particularly in...
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  • GROW!T Clay Pebbles 4mm-16mm, 25 Liters - Pallet of 80 Bags

    GROW!T Clay Pebbles 4mm-16mm, 25 Liters - Pallet of 80 Bags

    GROWIT

    $2,081.60
    GROW!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure...
    $2,081.60
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  • GROW!T Clay Pebbles 4mm-16mm, 10 Liters - Pallet of 91 Bags

    GROW!T Clay Pebbles 4mm-16mm, 10 Liters - Pallet of 91 Bags

    GROWIT

    $1,247.61
    GROW!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure...
    $1,247.61
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  • Grodan Gro-Wool Medium Water Absorbent Granulate, 3.5 cu ft

    Grodan Gro-Wool Medium Water Absorbent Granulate, 3.5 cu ft

    Grodan

    MSRP: $103.75
    $86.86
    Granulated rockwool works great on its own or mixed with other loose media, such as expanded clay rocks or coconut fiber. If planting in containers outdoors, water absorbent granulate is the best medium of choice.
    MSRP: $103.75
    $86.86
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  • Grodan Pro Improved 10 Block, 4Inches x 4Inches x 4Inches, shrinkwrap on strip with hole, Case of 144

    Grodan Pro Improved 10 Block, 4Inches x 4Inches x 4Inches, shrinkwrap on strip with hole, Case of 144

    Grodan

    MSRP: $313.05
    $260.19
    New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the...
    MSRP: $313.05
    $260.19
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  • Grodan Expert Slab 15/75 6 in x 3 in x 36 in

    Grodan Expert Slab 15/75 6 in x 3 in x 36 in

    Grodan

    MSRP: $126.35
    $105.87
    Gro-Slabs™ provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block™ plant onto a slab just like professional growers. They come in clearly marked biodegradable UV-resistant sleeves for comfortable handling and algae...
    MSRP: $126.35
    $105.87
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  • BOT ORGNICRE SOIL TOTE 2YD - Pack of 2

    BOT ORGNICRE SOIL TOTE 2YD - Pack of 2

    Botanicare

    MSRP: $1,500.00
    $1,115.22
    Organicare True Earth Potting Mix is for the grower who won’t settle for less than everything they want and nothing that they don’t. Organic and natural ingredients? This revolutionary, patent-pending formula blends only the best. Vigorous roots and...
    MSRP: $1,500.00
    $1,115.22
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    MSRP: $1,500.00
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