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Growth Boosters & Additives

97 products
Regular price from $89.95
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Elevate your plant growth with PowerSi Original, a proprietary concentrated silica biomix designed to deliver fast, visible results. This pure, highly concentrated formula contains bioavailable sil...
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Regular price from $11.48
Sale price from $11.48
Regular price $22.95
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Remo Magnifical is a highly effective Calcium and Magnesium supplement designed to provide quick nutrient uptake and remedy deficiencies in your plants. This super-chelated formula enhances absorpt...
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Regular price from $12.48
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Regular price $24.95
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Remo Nature's Candy is a unique blend of carbohydrates and amino acids designed to promote and support the development of beneficial bacteria and fungi. This formula is highly beneficial for all st...
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Regular price from $23.98
Sale price from $23.98
Regular price $47.95
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Discover the power of Remo VeloKelp, a top-secret mega-supplement designed to enhance your plants' growth and development at every stage. Packed with vitamins and multiple seaweed extracts, VeloKel...
Regular price from $25.50
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Secure your transplants, revive stressed plants, and produce abundant yields with SUPERthrive, the essential vitamin solution trusted by generations of home gardeners and professionals. This unique...
Regular price $42.95
Sale price $42.95
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Xtreme Gardening AZOS (6oz) is a powerful, nitrogen-fixing bacteria that helps convert atmospheric nitrogen (N2) into plant-available ammoniacal nitrogen. Nitrogen is one of the most crucial nutrie...