Grotek Grotek Gro-Silic, 500 ml GTGS500ML Grotek Gro-Silic, 500 ml GTGS500MLGRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of... MSRP: Was: Now: $47.00 Add to Cart Compare
Grotek Grotek Gro-Silic, 4 L GTGS4L Grotek Gro-Silic, 4 L GTGS4LGRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of silicon... MSRP: Was: Now: $201.09 Add to Cart Compare
Grotek Grotek Gro-Silic, 250 ml GTGS250ML Grotek Gro-Silic, 250 ml GTGS250MLGRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of... MSRP: Was: Now: $29.84 Add to Cart Compare
Grotek Grotek Gro-Silic, 23 L GTGS23L Grotek Gro-Silic, 23 L GTGS23LGRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of... MSRP: Was: Now: $823.63 Add to Cart Compare
Grotek Grotek Gro-Silic, 1 L GTGS1L Grotek Gro-Silic, 1 L GTGS1LGRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of silicon... MSRP: Was: Now: $84.10 Add to Cart Compare
Grotek Grotek Gro-Silic, 10 L GTGS10L Grotek Gro-Silic, 10 L GTGS10LGRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of... MSRP: Was: Now: $441.89 Add to Cart Compare
Grotek GT10104364 Solo Tek Bloom, 1L, Nutrients & Additives SOLO-TEK by Grotek is a complete, soil/soilless, revolutionary organic-based nutrient system. It is a scientifically-designed one-part nutrient system, where nutrients and supplements from... MSRP: Was: Now: $9,999.00 Add to Cart Compare
Grotek Vitamax Pro, 4 L GTVMPRO4L | Grotek Based on a university developed proprietary kelp extraction process, the new Vitamax MSRP: Was: Now: $88.30 Add to Cart Compare
Grotek VitaMax Pro, 23 L GTVMPRO23L | Grotek Based on a university developed proprietary kelp extraction process, the new Vitamax MSRP: Was: Now: $354.27 Add to Cart Compare
Grotek Vitamax Pro, 1 L GTVMPRO1L | Grotek Based on a university-developed proprietary kelp extraction process, the new Vitamax MSRP: Was: Now: $25.96 Add to Cart Compare
Grotek Vitamax Pro, 10 L GTVMPRO10L | Grotek Based on a university-developed proprietary kelp extraction process, the new Vitamax MSRP: Was: Now: $9,999.00 Add to Cart Compare
Grotek Vitamax Plus, 23 L GTVMP6040 | Grotek The VitamaxTM line is specially formulated to improve plant growth, encourage blooming and assist floral and fruit development. These products contain macronutrients and added magnesium to aid in... MSRP: Was: Now: $304.44 Add to Cart Compare
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