Quick view Details Grotek | sku: GTVMPRO23L Grotek Vitamax Pro 23 L MSRP: $430.99 Was: $430.99 Now: $342.59 Add to Cart
Quick view Details Grotek | sku: GTS6650 Grotek Organics Synergy 800gm MSRP: $201.99 Was: $201.99 Now: $167.44 View Details
Quick view Details Grotek | sku: GTS6640 Grotek Organics Synergy 400gm MSRP: $135.99 Was: $135.99 Now: $112.73 Add to Cart
Quick view Details Grotek | sku: GTS6630 Grotek Organics Synergy 140gm MSRP: $54.99 Was: $54.99 Now: $47.45 Add to Cart
Quick view Details Grotek | sku: GTPROS4L Pro Silicate 4L MSRP: $46.99 Was: $46.99 Now: $37.95 Add to Cart
Quick view Details Grotek | sku: GTPROS23L Pro Silicate 23L MSRP: $226.99 Was: $226.99 Now: $168.97 Add to Cart
Quick view Details Grotek | sku: GTPROS10L Pro Silicate 10L MSRP: $115.99 Was: $115.99 Now: $93.66 Add to Cart
Quick view Details Grotek | sku: GTGS500ML Grotek Gro-Silic, 500ml MSRP: $51.99 Was: $51.99 Now: $44.87 View Details
Quick view Details Grotek | sku: GTGS4L Grotek Gro-Silic, 4L MSRP: $232.99 Was: $232.99 Now: $193.14 Add to Cart
Quick view Details Grotek | sku: GTGS250ML Grotek Gro-Silic, 250ml MSRP: $32.99 Was: $32.99 Now: $28.48 View Details
Quick view Details Grotek | sku: GTGS23L Grotek Gro-Silic, 23L MSRP: $1,001.99 Was: $1,001.99 Now: $758.55 View Details
Quick view Details Grotek | sku: GTGS1L Grotek Gro-Silic, 1L MSRP: $92.99 Was: $92.99 Now: $80.27 Add to Cart
Quick view Details Grotek | sku: GTGS10L Grotek Gro-Silic, 10L MSRP: $511.99 Was: $511.99 Now: $424.42 View Details
Quick view Details Grotek | sku: GTCM10L Cal Max 10 L MSRP: $116.99 Was: $116.99 Now: $94.46 Add to Cart
Quick view Details Grotek | sku: GTBB25G SPO Blossom Blaster 2.5kg MSRP: $895.99 Was: $895.99 Now: $635.24 Add to Cart
Quick view Details Grotek | sku: GTBB20 Blossom Blaster 20g MSRP: $12.99 Was: $12.99 Now: $9.67 Add to Cart
Quick view Details Grotek | sku: GT0006820 Grotek Precision Micro 23L MSRP: $118.99 Was: $118.99 Now: $91.89 View Details
Quick view Details Grotek | sku: GT0006819 Grotek Precision Micro 10L MSRP: $58.99 Was: $58.99 Now: $49.45 View Details
Quick view Details Grotek | sku: GT0006818 Grotek Precision Micro 4L MSRP: $25.99 Was: $25.99 Now: $21.78 View Details
Quick view Details Grotek | sku: GT0006809 Grotek Precision Bloom 10L MSRP: $48.99 Was: $48.99 Now: $41.05 View Details
Quick view Details Grotek | sku: GT0006808 Grotek Precision Bloom 4L MSRP: $21.99 Was: $21.99 Now: $18.44 View Details
Quick view Details Grotek | sku: GT0006807 Grotek Precision Bloom 1L MSRP: $8.99 Was: $8.99 Now: $8.14 View Details
Quick view Details Grotek | sku: GT0006799 Grotek Precision Grow 10L MSRP: $48.99 Was: $48.99 Now: $41.05 View Details
Quick view Details Grotek | sku: GT0006798 Grotek Precision Grow 4L MSRP: $21.99 Was: $21.99 Now: $18.44 View Details
Quick view Details Grotek | sku: GT0006797 Grotek Precision Grow 1L MSRP: $8.99 Was: $8.99 Now: $8.14 View Details
Quick view Details Grotek | sku: GTBB130G Blossom Blaster 130g MSRP: $70.66 Was: $70.66 Now: $37.45 Add to Cart
Quick view Details Grotek | sku: GT0006612 Grotek Rype, 1L MSRP: $41.48 Was: $41.48 Now: $23.56 View Details
Quick view Details Grotek | sku: GT0006592 Grotek GrowthMax, 4L MSRP: $126.39 Was: $126.39 Now: $97.59 View Details
Quick view Details Grotek | sku: GT0006591 Grotek GrowthMax, 1L MSRP: $35.95 Was: $35.95 Now: $20.41 View Details
Quick view Details Grotek | sku: GT0006570 Grotek Vital, 1L MSRP: $42.41 Was: $42.41 Now: $24.07 View Details
Quick view Details Grotek | sku: GT0006548 Grotek MicroPower, 500ml MSRP: $23.03 Was: $23.03 Now: $18.57 View Details
Quick view Details Grotek | sku: GT0006535 Grotek Root Force, 10L MSRP: $282.35 Was: $282.35 Now: $218.04 View Details
Quick view Grotek | sku: GTVMPRO23L Grotek Vitamax Pro 23 L Based on a university developed proprietary kelp extraction process, the new Vitamax™ Pro contains unparalleled energy from the ocean, plant proteins, and a diverse array of nutrients and... MSRP: $430.99 Was: $430.99 Now: $342.59 Add to Cart
Quick view Grotek | sku: GTS6650 Grotek Organics Synergy 800gm SYNERGYSymbiotic success What is SynergySynergy™ is a water-soluble powder that contains fungi that helps plants achieve explosive root development and overall growth all the way to harvest... MSRP: $201.99 Was: $201.99 Now: $167.44 View Details
Quick view Grotek | sku: GTS6640 Grotek Organics Synergy 400gm SYNERGYSymbiotic success What is SynergySynergy™ is a water-soluble powder that contains fungi that helps plants achieve explosive root development and overall growth all the way to harvest... MSRP: $135.99 Was: $135.99 Now: $112.73 Add to Cart
Quick view Grotek | sku: GTS6630 Grotek Organics Synergy 140gm SYNERGYSymbiotic success What is SynergySynergy™ is a water-soluble powder that contains fungi that helps plants achieve explosive root development and overall growth all the way to harvest... MSRP: $54.99 Was: $54.99 Now: $47.45 Add to Cart
Quick view Grotek | sku: GTPROS4L Pro Silicate 4L Pro-Silicate is a nutritional silicate additive containing potassium and silicon. It helps keep the plants upright, positioning the leaves correctly for maximum light exposure that ultimately leads... MSRP: $46.99 Was: $46.99 Now: $37.95 Add to Cart
Quick view Grotek | sku: GTPROS23L Pro Silicate 23L Pro-Silicate is a nutritional silicate additive containing potassium and silicon. It helps keep the plants upright, positioning the leaves correctly for maximum light exposure that ultimately leads... MSRP: $226.99 Was: $226.99 Now: $168.97 Add to Cart
Quick view Grotek | sku: GTPROS10L Pro Silicate 10L Pro-Silicate is a nutritional silicate additive containing potassium and silicon. It helps keep the plants upright, positioning the leaves correctly for maximum light exposure that ultimately leads... MSRP: $115.99 Was: $115.99 Now: $93.66 Add to Cart
Quick view Grotek | sku: GTGS500ML Grotek Gro-Silic, 500ml GRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of silicon helps improve... MSRP: $51.99 Was: $51.99 Now: $44.87 View Details
Quick view Grotek | sku: GTGS4L Grotek Gro-Silic, 4L GRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of silicon helps improve... MSRP: $232.99 Was: $232.99 Now: $193.14 Add to Cart
Quick view Grotek | sku: GTGS250ML Grotek Gro-Silic, 250ml GRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of silicon helps improve... MSRP: $32.99 Was: $32.99 Now: $28.48 View Details
Quick view Grotek | sku: GTGS23L Grotek Gro-Silic, 23L GRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of silicon helps improve... MSRP: $1,001.99 Was: $1,001.99 Now: $758.55 View Details
Quick view Grotek | sku: GTGS1L Grotek Gro-Silic, 1L GRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of silicon helps improve... MSRP: $92.99 Was: $92.99 Now: $80.27 Add to Cart
Quick view Grotek | sku: GTGS10L Grotek Gro-Silic, 10L GRO-SILIC™Soluble Silicon Grotek Gro-Silic™ is a concentrated liquid silicon supplement suitable for soilless and hydroponic systems. This plant-available form of silicon helps improve... MSRP: $511.99 Was: $511.99 Now: $424.42 View Details
Quick view Grotek | sku: GTCM10L Cal Max 10 L During periods of high temperatures and accelerated growth, plants can develop nutrient deficiencies, which are preventable. Cal-Max™ was developed to provide the additional calcium,... MSRP: $116.99 Was: $116.99 Now: $94.46 Add to Cart
Quick view Grotek | sku: GTBB25G SPO Blossom Blaster 2.5kg Blossom Blaster™ provides available phosphorous to improve root development and aid in blooming and fruiting. Potassium is instrumental in moving sugars produced by photosynthesis. This... MSRP: $895.99 Was: $895.99 Now: $635.24 Add to Cart
Quick view Grotek | sku: GTBB20 Blossom Blaster 20g Blossom Blaster™ provides available phosphorus to improve root development and aid in blooming and fruiting. Potassium is instrumental in moving sugars produced by photosynthesis. This powerful... MSRP: $12.99 Was: $12.99 Now: $9.67 Add to Cart
Quick view Grotek | sku: GT0006820 Grotek Precision Micro 23L Precision Micro 4-0-2Precision Micro is part of a complete nutrient package when combined with Precision Grow and Precision Bloom components. The 3-Part Precision base nutrients are designed to be a... MSRP: $118.99 Was: $118.99 Now: $91.89 View Details
Quick view Grotek | sku: GT0006819 Grotek Precision Micro 10L Precision Micro 4-0-2Precision Micro is part of a complete nutrient package when combined with Precision Grow and Precision Bloom components. The 3-Part Precision base nutrients are designed to be a... MSRP: $58.99 Was: $58.99 Now: $49.45 View Details
Quick view Grotek | sku: GT0006818 Grotek Precision Micro 4L Precision Micro 4-0-2Precision Micro is part of a complete nutrient package when combined with Precision Grow and Precision Bloom components. The 3-Part Precision base nutrients are designed to be a... MSRP: $25.99 Was: $25.99 Now: $21.78 View Details
Quick view Grotek | sku: GT0006809 Grotek Precision Bloom 10L Precision Bloom 0-6-4 Precision Bloom is part of a complete nutrient package when combined with Precision Grow and Precision Micro components. The 3-Part Precision base nutrients are designed to be a... MSRP: $48.99 Was: $48.99 Now: $41.05 View Details
Quick view Grotek | sku: GT0006808 Grotek Precision Bloom 4L Precision Bloom 0-6-4 Precision Bloom is part of a complete nutrient package when combined with Precision Grow and Precision Micro components. The 3-Part Precision base nutrients are designed to be a... MSRP: $21.99 Was: $21.99 Now: $18.44 View Details
Quick view Grotek | sku: GT0006807 Grotek Precision Bloom 1L Precision Bloom 0-6-4 Precision Bloom is part of a complete nutrient package when combined with Precision Grow and Precision Micro components. The 3-Part Precision base nutrients are designed to be a... MSRP: $8.99 Was: $8.99 Now: $8.14 View Details
Quick view Grotek | sku: GT0006799 Grotek Precision Grow 10L Precision Grow 3-1-4 Precision Grow is part of a complete nutrient package when combined with Precision Bloom and Precision Micro components. The 3-Part Precision base nutrients are designed to... MSRP: $48.99 Was: $48.99 Now: $41.05 View Details
Quick view Grotek | sku: GT0006798 Grotek Precision Grow 4L Precision Grow 3-1-4 Precision Grow is part of a complete nutrient package when combined with Precision Bloom and Precision Micro components. The 3-Part Precision base nutrients are designed to... MSRP: $21.99 Was: $21.99 Now: $18.44 View Details
Quick view Grotek | sku: GT0006797 Grotek Precision Grow 1L Precision Grow 3-1-4 Precision Grow is part of a complete nutrient package when combined with Precision Bloom and Precision Micro components. The 3-Part Precision base nutrients are designed to... MSRP: $8.99 Was: $8.99 Now: $8.14 View Details
Quick view Grotek | sku: GTBB130G Blossom Blaster 130g Blossom Blaster™ provides available phosphorous to improve root development and aid in blooming and fruiting. Potassium is instrumental in moving sugars produced by photosynthesis. This... MSRP: $70.66 Was: $70.66 Now: $37.45 Add to Cart
Quick view Grotek | sku: GT0006612 Grotek Rype, 1L Crop-producing plants use the last of their energy in preparation to bear fruit. For gardeners, this is the time of judgment for their hard work. Rype™ is designed to support a high-quality... MSRP: $41.48 Was: $41.48 Now: $23.56 View Details
Quick view Grotek | sku: GT0006592 Grotek GrowthMax, 4L Kelp has long been known as an amazing organic supplement. GrowthMax™ is a highly concentrated cold processed kelp rich in organic compounds and minerals. This product helps plants in all... MSRP: $126.39 Was: $126.39 Now: $97.59 View Details
Quick view Grotek | sku: GT0006591 Grotek GrowthMax, 1L Kelp has long been known as an amazing organic supplement. GrowthMax™ is a highly concentrated cold processed kelp rich in organic compounds and minerals. This product helps plants in all... MSRP: $35.95 Was: $35.95 Now: $20.41 View Details
Quick view Grotek | sku: GT0006570 Grotek Vital, 1L Calcium is key to a plant’s success, and Grotek™ Vital™ gives growers a chance to get the level of calcium just right for their plants. As an isolated component, it is possible... MSRP: $42.41 Was: $42.41 Now: $24.07 View Details
Quick view Grotek | sku: GT0006548 Grotek MicroPower, 500ml Growing indoors organically can pose problems not just from a lack of biology, but also from missing micronutrients. MicroPower™ provides a precise ratio of essential trace elements. This... MSRP: $23.03 Was: $23.03 Now: $18.57 View Details
Quick view Grotek | sku: GT0006535 Grotek Root Force, 10L Accelerating root development is key to crop success. Root Force™ drives key secondary root structures. These can improve nutrient uptake, boost connections with mycorrhizae, and help build... MSRP: $282.35 Was: $282.35 Now: $218.04 View Details