Cal Mag Organic

Rated 5.00 out of 5 based on 2 customer ratings
(2 customer reviews)


Why Use It?

Supports peak production and plant development by providing essential and available Calcium and Magnesium supplement to any nutrient regimen.

Product Documents

Not Available in California

Product Description


Product form:

Dry powder, water soluble

NPK analysis:


Primary function/use:

Build nutrient deficient soils.

Product designation:


Other product highlights:

High in beneficial calcium, magnesium, iron and trace minerals. Good substitute for any organic gardener need organic calcium and magnesium.

Well suited for:

Hydroponics, soil and soil-less.

Directions For Use

When and where to use:

During all stages of plant development.

How to mix liquid concentrate:

Mix 1/2 tsp with one (1) gallon of water.

Application rates:

Add 1/2 tsp with one (1) gallon of water.


Ensure bag is properly sealed and stored in cool, dry, dark place.

All items are shipped using USPS Priority Mail, unless otherwise requested and arranged by the customer, prior to order completion.Free Shipping

All orders ship within 48 hours of order confirmation and as always FREE SHIPPING in the USA. After successfully placing an order from you will receive an order confirmation email with the details of your order to the email address provided.

Once your order has shipped you will be emailed specific tracking information.

To check the status of an order please visit our “View Order” page.

Gift Cards are electronically delivered to your email address.

State of Idaho is not an option for shipping any of our products. If you are in the State of Idaho, please contact us direct.

Kelp4less Disclaimer

While Kelp4less has made every effort to ensure accuracy of information on its website and labels, Kelp4less assumes no responsibility or liability for the use and results of any of it’s products.

The purchaser and the end user of Kelp4less products assumes sole responsibility and liability for product use, results and disposal. Kelp4less makes no guarantees either express or implied.

2 reviews for Cal Mag Organic

  1. Avatar
    Rated 5 out of 5

    Ryan (verified owner)

    Great product. Works as good as any premixed cal-mag products I’ve purchased or better. I feel like a lot of hydroponic companies use this same blend and just mix it with water before selling it for more.

  2. Avatar
    Rated 5 out of 5

    randall (verified owner)

    this cal mag products saved my from so many problems I need this in every mix and in all my solutions as well. never go without this ever n would recommend this to my buds

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