CropKing introduces Hydro-Gro Leafy Fertilizer for the commercial and hobby hydroponic grower seeking a complete and cost-effective hydroponic fertilizer for their leaf crops. This fertilizer is specifically formulated with all the nutrients needed for lettuce as well as kale, arugula and many herbs. Hydro-Gro Leafy is used in conjunction with calcium nitrate to form a two-part fertilizer that can be mixed to either feed strength or concentrated strength.

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