SNAP Hydroponics

Hydroponic Gardening & Commercial Farming made easy.


Vermiculite as Hydroponic Medium

Vermiculite Hydroponic Medium

Vermiculite is coarse and very light when dry.

Vermiculite makes one of the best hydroponic mediums for SNAP hydroponics. Like other hydroponic mediums, vermiculite is very light and retains a good amount of liquid for a period of time. It does not compact very tightly and for that reason, the roots have access to a good amount of both SNAP hydroponic nutrients and oxygen as long as long the vermiculite is not totally submerged to the solution.

Vermiculite like many other hydroponic mediums also makes a good potting mix ingredient. It improves drainage and aeration to soil and peat and is also light in weight compared to gravel or pebbles. This mineral may look very light and doesn’t look like it can hold your plants upright at first. But as soon as it absorbs water, it can do its job pretty well.

Here in the Philippines, there are very few suppliers of vermiculite and quite expensive too. I see them being sold in huge quantities online but I get my supplies from Ace Hardware at selected SM Malls here in Manila. A company that sells vermiculite in small quantity is Ramgo. Also known for their gardening supplies and accessories, they sell small 1Kg bags costing around P119.00 per bag.

Vermiculite Closeup


There are however some dangers in mishandling vermiculite. This very porous mineralĀ  will always have its dust sitting in every bag when you purchase one. It can attach to your hands easily and inhalation of the small particles is also dangerous to your health. If its your first time opening a bag, make sure you are wearing a mask to avoid inhalation, goggles to protect your eyes and gloves so it will not stick to your skin. If by any chance it does make contact with your fingers, do not and I mean do not rub your eyes. Wash your hands with soap and rinse it well. When this mineral gets in contact with your eyes, it will feel really itchy. Believe me, I’ve experienced it.

Vermiculite can be stored in plastic tubs or buckets and will stay very dry because of its water absorbing properties so take some extra precaution when opening your vermiculite containers.

Vermiculite mixed with Coco Peat makes a good hydroponic medium and can be reused a couple of times before discarding. You sterilize your vermiculite using a strainer and dipping it in a bucket with a little bleach. Let it sit in a tray overnight for the water and bleach to evaporate and it’s ready to be used again as soon as it dries out.

7 Responses to “Vermiculite as Hydroponic Medium”

  1. November 11th, 2013 at 10:19 pm

    Danielle Marquez says:

    Hi, I’ve been desperately looking for vermiculite and perlite for awhile now, and I found this article saying I could get vermiculite in Ace hardware and some SM stores, though after checking about 6 Ace hardware stores and 4 SM gardening sections, I’m still at a loss. Would you know where else I could buy some vermiculite and/or perlite? It would really be a huge help, thanks.

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  4. February 4th, 2015 at 9:41 am

    jeny says:

    Dear Sir or Madam,

    Nice to write to you.

    This is Shijiazhuang Ningshu Trading co.,Ltd, are specialize in the Non-Metallic Minerals,
    Our factory located in lingshou county, where the mineral resources are extremely rich, expecially vermiculites are the richest of China.
    Besides the vermiculite We also have perlite.we can supply the vermiculite & perlite for different usage.

    Item: Vermiculite
    Size:Raw Vermiculite:0.3-1mm,1-3mm
    Golden Vermiculite:1-3mm,2-4mm,3-6mm etc.

    Item: Perlite
    Size:1-3mm,2-4mm,3-6mm,4-8mm etc.

    We also could produce the different size as your request, if any interests, please feel free to contact us.

    Thanks & Best regard

    Office Address: No.336 Beierhuan Road, Shijiazhuang city, China
    Factory Address: Lingshou county, Shijiazhuang city, China
    Tel: +86-311-68002239 Fax: +86-311-68002239
    Mobile: +86-18330135714 Skype: ningshu.jeny
    Whatapp: +86-18330135714

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  6. September 28th, 2016 at 7:59 pm

    Micah Tiolo says:

    These infos can help me especially that i am looking for a perlite. I would like to ask if where can i get one?

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