Botanicare Cal-Mag Plus
Best mineral supplement for indoor gardeners using coco coir or RO water.
This is the essential insurance policy for anyone growing in coco coir or using reverse osmosis water. It effectively bridges the mineral gap that standard nutrients miss, ensuring your plants don't stall out from common deficiencies. You trade a bit of extra mixing effort for significantly more robust, stress-free growth.
$17.20
at
Advanced Hydro Gardens
Who it's for
- Indoor growers seeking to maximize photosynthetic efficiency
- Cultivators managing diverse setups like hydroponics and soil
- Gardeners struggling with yellowing leaves or stunted plant growth
Who should skip it
- Novice growers prone to accidental over-fertilization
- Busy gardeners wanting to avoid frequent pH adjustments
- Budget-conscious growers using complete base nutrient lines
Performance breakdown
Deficiency Correction
Rapidly resolves common calcium and magnesium lockouts in demanding grow media.
Media Compatibility
The gold standard for stabilizing coco coir and reverse osmosis setups.
Nutrient Integration
Seamlessly layers into almost any existing liquid fertilizer feeding schedule.
Foliar Efficacy
Highly effective as a direct spray for quick, targeted mineral absorption.
Formula Concentration
Potent liquid concentrate ensures high mineral availability with minimal dosage.
Scaling Versatility
Available in sizes ranging from hobbyist quarts to industrial-scale drums.
Key Specs
NPK Ratio
2 - 0 - 0
Contains Calcium, Magnesium, and Iron
Available in multiple sizes
Quart, Gallon, 2.5 Gallon, 5 Gallon, 55 Gallon, and 250 Gallon
Fertilizer Source
Mineral Based
Nitrogen Percentage
2.0%
Phosphorus Percentage
0.0%
Potassium Percentage
0.0%
Application Method
Foliar Spray
Fertilizer Form
Liquid Concentrate
Release Type
Fast Release
Know before you buy
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