Humboldts Secret Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient Fertilizer – Supports Vegetative and Flowering Stage – 1 Quart
Brand: Humboldts Secret
Categories: Patio, Lawn & Garden, Gardening & Lawn Care, Soils, Mulches & Planting Media, Fertilizers & Plant Food


SOURCE OF CALCIUM MAGNESIUM & CHELATED IRON: Many varieties of flowering plants require higher levels of these micronutrients. Our well-balanced formula is designed to specifically address any plant deficiencies that may be present.
CORRECTS COMMON PLANT DEFICIENCIES: Sometimes an unhealthy plant may be suffering from a nutrient deficiency or even too much of one nutrient. Our CalMag & Iron supplement effectively corrects and remedies these micronutrient plant deficiencies.
NUTRIENT UPTAKE AND ABSORPTION: This formulae efficiently supports nutrient uptake and absorption by addressing any plant deficiencies in the first place, thus successfully supporting the vegetative and flowering stage of your plants.
SUITABLE FOR HYDROPONICS, SOIL, AND CONTAINER GARDENS: Nutrient systems and supplements are commonly used as hydroponic supplies and are a good solution for soil and container gardens, ensuring strong and healthy plants and yields.
OPTIMAL FOR COCO COIR MEDIUM AND REVERSE OSMOSIS WATER: Our supplemental CalMag & Iron by Humboldts Secret is highly recommended for plants growing in coco substrate or reverse osmosis water, as the absorption process becomes magnified.

Brand: Humboldts Secret
Item Form: Liquid
Liquid Volume: 1 Quarts
Package Dimensions: 7.32 x 5.16 x 2.32 inches
Manufacturer: Humboldts Secret
Item Weight: 2.64 pounds
ASIN: B01GB23TEY
Customer Reviews: 4.6 out of 5 stars 1,631 ratings 4.6 out of 5 stars
Is Discontinued By Manufacturer: No