Humboldts Secret CalMag & Iron | Calcium, Magnesium & Chelated Iron Nutrient Fertilizer | Hydroponic Supplies for Vegetative & Flowering Growth in Soil, Coco, Hydroponics or RO Water | 32 Ounce
4.1 (43 items)
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Product details
| Management number | 228837832 | Release Date | 2026/05/31 | List Price | US$8.79 | Model Number | 228837832 | ||
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- Packaging Update: You may receive previous or updated packaging during our transition. Same formula, same performance. Strength for Every Stage - Humboldts Secret supplement with cal mag for plants delivers calcium, magnesium, and chelated iron to prevent deficiencies. It fortifies stems, improves leaf color, and supports flowering and fruiting plants for vigorous, healthy growth in any type of garden.
- Fast-Acting Plant Recovery: Our balanced formula with calmag and chelated iron targets issues caused by nutrient imbalances, helping plants recover quickly. It boosts photosynthesis, nutrient transport, and root strength in vegetables, flowers, and herbs grown indoors or outdoors.
- Maximum Absorption Power: Using our cal-mag for plants blend with added iron improves uptake efficiency, ensuring these essential minerals are fully utilized. It supports lush vegetative growth and abundant blooms, delivering consistent results for home or commercial growers.
- Reliable Across All Setups: Humboldts Secret cal mag fertilizer with iron works in hydroponics, soil, and container gardens. It strengthens plant structure, enhances fruit quality, and ensures balanced nutrition in indoor and outdoor systems for dependable, healthy harvests.
- Focused on Fruiting Success: Our formula with calcium and magnesium for plants plus chelated iron benefits crops in coco coir or reverse osmosis water. It helps prevent blossom end rot, promotes firm fruit set, and improves nutrient absorption for strong, productive plants in challenging conditions.
| UPC | 648260730390 |
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| ASIN | B01GB23TEY |
| Coverage | Medium |
| Item Form | Liquid |
| Brand Name | Humboldts Secret |
| Unit Count | 32 Fluid Ounces |
| Part Number | TUEEQE-09 |
| Manufacturer | Humboldts Secret |
| Mixing Ratio | 1-2ml:1000ml for vegetative growth and 2-5ml:1000ml for flowering |
| Model Number | 15195521384514 |
| Liquid Volume | 32 Fluid Ounces |
| Target Species | Plants |
| Number of Items | 1 |
| Specific Uses For Product | Hydroponic |
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