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FCombo-4lb Bags 6-12-28 & 15-0-0 Hydroponic Plant Nutrient Complete Combo Set This is a two-part soluble hydroponic plant fertilizer. This complete formula includes all trace minerals. 4lbs part 1 (6-12-28) plus 4lbs part 2 (15-0-0). Each 4lb combination makes up to 500 Gallons of ready-to-use liquid hydroponic fertilizer. Free Shipping on 3x4 U.S. Mainland Only. See Combo Sizes Below. *6x4 is 2x 24lb boxes and flat shipping rate of $20*
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🇺🇸 Ship from USA · On Agora since 2025
$99.95