This isn't organic. You'll want something like "Dolomite"

This can be used as part of a daily feeding routine along with other nutrients, or as a one off. I currently add at quarter strength as part of my daily feeding cycle with no problems so far. But previously I used to only use it when my plants were showing signs of a calcium magnesium deficiency (if the leafs are starting to yellow on my plants), I would do with a drench, I add 1ml to 500ml of water and drench each pot just before lights out or night time. Since I have started using as part of my routine feeding cycle I haven't had any issues to date (been using for 4 months) and my plants are looking very healthy, deep green leafs with plenty of new growth coming through too.

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CalMag - Treatment for Calcium & Magnesium nutrient deficiency in plants - eg. Blossom End Rot (500ml)

Product ID: 50906285

38413CFA

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Description

TNC CalMag - Treatment for Calcium & Magnesium nutrient deficiency in plants - eg. Blossom End Rot (500ml)

Specifications

Package Dimensions	20.57 x 9.4 x 5.08 cm; 640 Grams
ASIN	B009S5FM9C

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