Humboldts Secret Everything Indoor Plant Food with Kelp – All-Purpose Liquid Fertilizer for Houseplants
Feed your indoor jungle with confidence. Humboldts Secret Everything Indoor Plant Food is an all-in-one liquid fertilizer formulated to support vibrant growth, lush foliage, and resilient roots in all types of houseplants. Infused with natural kelp extract, this balanced formula delivers essential macro- and micronutrients to keep your indoor plants healthy and thriving year-round.
Perfect for use on leafy greens, flowering plants, succulents, and tropicals, this easy-to-use plant food encourages stronger stems, larger leaves, and more robust root systems. Whether you're a seasoned plant parent or just starting your collection, Everything Indoor makes plant care simple and effective.
Key Features & Benefits:
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All-Purpose Formula: Feeds all types of indoor plants for complete, balanced nutrition
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Enriched with Kelp: Natural kelp extract promotes root health, nutrient uptake, and stress resistance
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Supports Lush Growth: Encourages bigger leaves, thicker stems, and stronger root development
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Gentle Yet Effective: Safe for use on delicate houseplants; won’t burn when used as directed
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Easy Application: Liquid concentrate mixes effortlessly with water for soil drenching or foliar spraying
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Made by Growers: Developed by experienced horticulturists for real results in real homes
How to Use:
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Mix 2–5 ml per gallon of water
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Apply every 1–2 weeks or as needed
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Suitable for use as a root drench or light foliar mist
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Shake well before use and store in a cool, dry place
For best results, use in conjunction with your regular watering routine and adjust based on plant response.