Green Planet Pro Cal 1L
Provides Nitrogen, Calcium, Magnesium, and Iron to prevent deficiency.
What is it?
Pro Cal is a valuable source of Magnesium & Iron. Pro Cal improves the cation exchange capacity of substrates for faster nutrient uptake. This user-friendly formula produces vibrant plants with healthy, green foliage.
Direction:
Add Pro Cal at 1.25ml/L with any nutrient program until 1 week prior to harvest. Pro Cal is essential when using RO water or when growing in a coco coir medium.
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Green Planet Nutrients: Everything you need to know
Provided by Grow King Australia
