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Cronk Nutrients

4.5 (123)

Cronk CalMag 2-0-0 | Calcium Magnesium Iron Supplement

Name: Cronk Nutrients Cronk CalMag 2-0-0 | Calcium Magnesium Iron Supplement - Cronk CalMag 2-0-0 | Calcium Magnesium Iron Supplement
Brand: Cronk Nutrients
SKU: 47700566769975
Price: 12.88 USD
Availability: InStock
Rating: 4.9359 (60 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$12.88

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Color

Black

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Description

CalMag 2-0-0 is a concentrated calcium and magnesium supplement with chelated iron that prevents the most common nutrient deficiencies in modern cultivation. Essential for coco coir growers, RO water users, and LED grows where calcium and m...

Reviews

4.9

78 ratings

Lets see what all the hype is about!!!

Braedon · June 20, 2026

Clean

Very clean stuff, mixes nicely, and has big effects on your plants. Essential when using RO water

Chip · March 29, 2026

Cronk bloom

I used this late in flower for an auto, at quarter strength and a week later my buds started foxtailing. Could be genetics, could be light intensity or it could be cronk.

Jeremy · March 27, 2026