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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Apply Grow-Cal in the early morning or evening while there is still dew on the plant
500ml bottle
High/low history
Filter requirements: flow up to 1
If a gardener is starting with a low pH source water (typical of R/O water)
Aptus Mineral-CalMag, 5 Liter Container Size:1 Liter Apply Grow-Cal in the earlyMineral Calmag is an ultra clean, pH stable, high performance calcium & magnesium supplement for indoor and outdoor cultivation. Mineral Calmag is compatible with all base nutrients and will last a minimum of 14 days in a nutrient tank or reservoir with no signs of degradation. Key Ingredients Nitrogen: Crucial element in chlorophyll, crucial component of plant amino acids. Calcium: Integral structural element to plant cells. Magnesium: Central
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