Enhance Your Hydroponic Garden with Perlite Coarse 4-7mm

Perlite Coarse 4-7mm is a superior quality hydroponic growing medium made from heat-expanded volcanic rock. It offers excellent moisture retention and sufficient drainage, making it ideal for various hydroponic systems. This lightweight medium can be used in pots, trays, NFT channels, and Autopot bottom-fed auto watering systems, and it's perfect for mixing with other media to create custom soilless mixes.

Features and Benefits

  • Superior moisture retention: Perlite holds enough water to be suitable for hand-watered systems and provides adequate drainage for recycling drip irrigation systems.
  • Lightweight: Perlite is an incredibly lightweight medium, offering convenience when handling and transplanting.
  • Compatible with various growing containers: Use it in pots, trays, NFT channels, and Autopot systems for versatile application.
  • Exceptional wicking action: The wicking property of perlite makes it a popular choice for wick-type hydroponic systems and enhances root-zone oxygen levels.
  • Customizable medium: Mix Perlite with coco coir, vermiculite, or other media to create the perfect soilless mix for your plants' specific needs.

How to Use

  1. Choose the appropriate size of Perlite Coarse 4-7mm depending on your hydroponic system and planting needs.
  2. For a 100% Perlite medium, fill your chosen growing container with perlite, leaving adequate space for proper water retention and drainage.
  3. If mixing with other media, combine the appropriate ratio of Perlite with vermiculite or coco coir, depending on the specific requirements of your plants.
  4. Transplant seedlings or rooted cuttings into the Perlite-based medium, ensuring the root zone is adequately covered and supported.
  5. Water and feed your plants according to their requirements and the chosen hydroponic system.

Aqua Gardening Suggests These are Best For

Perlite Coarse 4-7mm is best suited for hydroponic gardeners seeking a versatile, customizable medium to support their plants in various hydroponic growing systems. It is perfect for those looking for a lightweight, oxygen-rich medium that promotes healthy root growth and caters to a wide range of plant needs.


What is Perlite Coarse 4-7mm and what are its uses in hydroponics?

Perlite Coarse 4-7mm is a heat-expanded, man-made product mainly used as a hydroponic growing medium. It is suitable for different growing containers and irrigation systems due to its lightweight nature and ability to retain moisture while still providing sufficient drainage. It can be used alone or mixed with other media like vermiculite or coco coir, adding oxygen to the root zone and boosting plant growth.

Can Perlite Coarse 4-7mm be used in a recycling drip irrigation system?

Yes, Perlite Coarse 4-7mm has excellent drainage capabilities, making it suitable for use in a recycling drip irrigation system.

Is Perlite Coarse 4-7mm compatible with Autopot bottom-fed auto watering systems?

Yes, Perlite Coarse 4-7mm is suitable for use in Autopot bottom-fed auto watering systems due to its lightweight and moisture-retaining properties.

Can I mix Perlite Coarse 4-7mm with coco coir? What ratio should I use?

Yes, Perlite Coarse 4-7mm can be mixed with coco coir. A popular ratio is 70% high-grade coco coir to 30% perlite, providing increased oxygen in the root zone and promoting healthier roots and faster growth.

Does Perlite Coarse 4-7mm work well in wick-type hydroponic systems?

Perlite Coarse 4-7mm has a good wicking action which makes it an excellent choice for wick-type hydroponic systems.

What other mediums can I mix with Perlite Coarse 4-7mm for better results?

Perlite Coarse 4-7mm can be mixed with vermiculite in a 50-50 ratio, resulting in a very popular growing medium. Mixing it with coco coir can also provide increased oxygen for the root zone and better plant growth.

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